Home / 15,566.38-21,481.74-8,492.92

Finding the Fourth Proportional to 15,566.38, 21,481.74 and 8,492.92

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Solution

The fourth proportional to 15,566.38, 21,481.74 and 8,492.92 is: 11,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.38 : 21,481.74 = 8,492.92 : x
  2. Step 2: Convert to fraction form
    15,566.38/21,481.74 = 8,492.92/x
  3. Step 3: Cross multiply
    15,566.38x = 21,481.74 × 8,492.92
  4. Step 4: Simplify right side
    15,566.38x = 182,442,645.58
  5. Step 5: Solve for x
    x = 182,442,645.58/15,566.38
  6. Step 6: Final answer
    x = 11,720.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.