Home / 16,531.72-24,799.13-5,438.43

Finding the Fourth Proportional to 16,531.72, 24,799.13 and 5,438.43

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Solution

The fourth proportional to 16,531.72, 24,799.13 and 5,438.43 is: 8,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.72 : 24,799.13 = 5,438.43 : x
  2. Step 2: Convert to fraction form
    16,531.72/24,799.13 = 5,438.43/x
  3. Step 3: Cross multiply
    16,531.72x = 24,799.13 × 5,438.43
  4. Step 4: Simplify right side
    16,531.72x = 134,868,325.77
  5. Step 5: Solve for x
    x = 134,868,325.77/16,531.72
  6. Step 6: Final answer
    x = 8,158.16

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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.