Home / 16,219.54-24,331.49-5,687.11

Finding the Fourth Proportional to 16,219.54, 24,331.49 and 5,687.11

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Solution

The fourth proportional to 16,219.54, 24,331.49 and 5,687.11 is: 8,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.54 : 24,331.49 = 5,687.11 : x
  2. Step 2: Convert to fraction form
    16,219.54/24,331.49 = 5,687.11/x
  3. Step 3: Cross multiply
    16,219.54x = 24,331.49 × 5,687.11
  4. Step 4: Simplify right side
    16,219.54x = 138,375,883.40
  5. Step 5: Solve for x
    x = 138,375,883.40/16,219.54
  6. Step 6: Final answer
    x = 8,531.43

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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.