Home / 18,906.10-28,376.66-9,552.71

Finding the Fourth Proportional to 18,906.10, 28,376.66 and 9,552.71

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Solution

The fourth proportional to 18,906.10, 28,376.66 and 9,552.71 is: 14,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906.10 : 28,376.66 = 9,552.71 : x
  2. Step 2: Convert to fraction form
    18,906.10/28,376.66 = 9,552.71/x
  3. Step 3: Cross multiply
    18,906.10x = 28,376.66 × 9,552.71
  4. Step 4: Simplify right side
    18,906.10x = 271,074,098.57
  5. Step 5: Solve for x
    x = 271,074,098.57/18,906.10
  6. Step 6: Final answer
    x = 14,337.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.