Home / 16,694.28-25,005.42-15,712.87

Finding the Fourth Proportional to 16,694.28, 25,005.42 and 15,712.87

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Solution

The fourth proportional to 16,694.28, 25,005.42 and 15,712.87 is: 23,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,694.28 : 25,005.42 = 15,712.87 : x
  2. Step 2: Convert to fraction form
    16,694.28/25,005.42 = 15,712.87/x
  3. Step 3: Cross multiply
    16,694.28x = 25,005.42 × 15,712.87
  4. Step 4: Simplify right side
    16,694.28x = 392,906,913.76
  5. Step 5: Solve for x
    x = 392,906,913.76/16,694.28
  6. Step 6: Final answer
    x = 23,535.42

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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.