Home / 16,487.40-24,731.34-5,394

Finding the Fourth Proportional to 16,487.40, 24,731.34 and 5,394

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Solution

The fourth proportional to 16,487.40, 24,731.34 and 5,394 is: 8,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.40 : 24,731.34 = 5,394 : x
  2. Step 2: Convert to fraction form
    16,487.40/24,731.34 = 5,394/x
  3. Step 3: Cross multiply
    16,487.40x = 24,731.34 × 5,394
  4. Step 4: Simplify right side
    16,487.40x = 133,400,847.96
  5. Step 5: Solve for x
    x = 133,400,847.96/16,487.40
  6. Step 6: Final answer
    x = 8,091.08

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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.