संख्याएँ 10,18,22,38 में से हर एक संख्या में क्या जोड़ा जाए कि ये
संख्याएँ समानुपाती हो जाए?
Answers
Answered by
9
Answer:
number is 2
Step-by-step explanation:
let that number is this x then
10+x:18+x::22+x:38+x
now in proportional products of extreme is equal to product of mean
so, (10+x)(38+x)=(18+x)(22+x)
380+48x+x^2=x^2+40x+396
8x=16
x=2
so that number is 2
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