Home / 16,487.87-24,726.58-5,391.99

Finding the Fourth Proportional to 16,487.87, 24,726.58 and 5,391.99

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Solution

The fourth proportional to 16,487.87, 24,726.58 and 5,391.99 is: 8,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.87 : 24,726.58 = 5,391.99 : x
  2. Step 2: Convert to fraction form
    16,487.87/24,726.58 = 5,391.99/x
  3. Step 3: Cross multiply
    16,487.87x = 24,726.58 × 5,391.99
  4. Step 4: Simplify right side
    16,487.87x = 133,325,458.61
  5. Step 5: Solve for x
    x = 133,325,458.61/16,487.87
  6. Step 6: Final answer
    x = 8,086.28

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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.