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Finding the Fourth Proportional to 16,672.92, 22,950.18 and 15,098.28

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Solution

The fourth proportional to 16,672.92, 22,950.18 and 15,098.28 is: 20,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.92 : 22,950.18 = 15,098.28 : x
  2. Step 2: Convert to fraction form
    16,672.92/22,950.18 = 15,098.28/x
  3. Step 3: Cross multiply
    16,672.92x = 22,950.18 × 15,098.28
  4. Step 4: Simplify right side
    16,672.92x = 346,508,243.69
  5. Step 5: Solve for x
    x = 346,508,243.69/16,672.92
  6. Step 6: Final answer
    x = 20,782.70

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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.