Home / 15,066.38-20,792.31-9,404.48

Finding the Fourth Proportional to 15,066.38, 20,792.31 and 9,404.48

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Solution

The fourth proportional to 15,066.38, 20,792.31 and 9,404.48 is: 12,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.38 : 20,792.31 = 9,404.48 : x
  2. Step 2: Convert to fraction form
    15,066.38/20,792.31 = 9,404.48/x
  3. Step 3: Cross multiply
    15,066.38x = 20,792.31 × 9,404.48
  4. Step 4: Simplify right side
    15,066.38x = 195,540,863.55
  5. Step 5: Solve for x
    x = 195,540,863.55/15,066.38
  6. Step 6: Final answer
    x = 12,978.62

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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.