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Finding the Fourth Proportional to 16,398.52, 22,639.32 and 10,819.24

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Solution

The fourth proportional to 16,398.52, 22,639.32 and 10,819.24 is: 14,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398.52 : 22,639.32 = 10,819.24 : x
  2. Step 2: Convert to fraction form
    16,398.52/22,639.32 = 10,819.24/x
  3. Step 3: Cross multiply
    16,398.52x = 22,639.32 × 10,819.24
  4. Step 4: Simplify right side
    16,398.52x = 244,940,236.52
  5. Step 5: Solve for x
    x = 244,940,236.52/16,398.52
  6. Step 6: Final answer
    x = 14,936.73

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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.