Advertisements
Advertisements
Question
Find the value of x of the following such that the given numbers are in proportion.
14, 42, x and 75
Advertisements
Solution
14, 42, x and 75 are in proportion
`14/42="x"/75`
⇒ 14 × 75 =x × 42
⇒ x = `(14xx75)/42=25`
∴ x = 25
APPEARS IN
RELATED QUESTIONS
If the ratio between 8 and 11 is the same as the ratio of 2x – y to x + 2y, find the value of `(7x)/(9y)`.
Find the sub-triplicate ratio of 216 : 343
If (3x-4) : (2x+5) is the duplicate ratio of 3 : 4 , find x.
Rohit goes to school by car at 60 km per hour and Manoj goes to school by scooty at 40 km per hour. If they both live in the same locality, find the ratio between the time taken by Rohit and Manoj to reach school.
If x, y, and z are in continued proportion, then which of the following is true:
x : y = x : z
In the example below, find the ratio of the first number to the second.
35, 65
Find the sub-triplicate ratio of 1 : 216
Find the following ratio in the simplest form:
4 kg to 750 g
Samira sells newspapers at Janpath crossing daily. On a particular day, she had 312 newspapers out of which 216 are in English and remaining in Hindi. Find the ratio of the number of Hindi newspapers to the total number of newspapers.
If (2x + 3y) : (3x + 2y) = 4 : 3; then x : y is ______.
