e. Find the value ofx in the proportion 12 :x :: 20:75.
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Given : 12 :x :: 20:75
To Find : Value of x
Solution:
12 :x :: 20:75
=> 12/x = 20/75
=> 12 * 75 = 20 * x
=> 12 * 15 = 4 * x
=> 3 * 15 = x
=> 45 = x
=> x = 45
Value of x is 45
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Answered by
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Given:
proportion 12 :x :: 20:75.
To find:
The value of x
Solution:
The given proportion is 12 :x :: 20:75.
12 and 75 are Extreme terms
x and 20 are middle terms
Product of extreme terms = Product of middle terms
=> 12 × 75 = 20 × x
=> 900 = 20x
=> x = 900/20
=> x = 45
Hence, the value of x is 45
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