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Finding the Fourth Proportional to 16,213.68, 22,375.17 and 9,043.97

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Solution

The fourth proportional to 16,213.68, 22,375.17 and 9,043.97 is: 12,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.68 : 22,375.17 = 9,043.97 : x
  2. Step 2: Convert to fraction form
    16,213.68/22,375.17 = 9,043.97/x
  3. Step 3: Cross multiply
    16,213.68x = 22,375.17 × 9,043.97
  4. Step 4: Simplify right side
    16,213.68x = 202,360,254.35
  5. Step 5: Solve for x
    x = 202,360,254.35/16,213.68
  6. Step 6: Final answer
    x = 12,480.83

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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.