Home / 16,740.62-25,115.11-11,819.88

Finding the Fourth Proportional to 16,740.62, 25,115.11 and 11,819.88

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Solution

The fourth proportional to 16,740.62, 25,115.11 and 11,819.88 is: 17,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.62 : 25,115.11 = 11,819.88 : x
  2. Step 2: Convert to fraction form
    16,740.62/25,115.11 = 11,819.88/x
  3. Step 3: Cross multiply
    16,740.62x = 25,115.11 × 11,819.88
  4. Step 4: Simplify right side
    16,740.62x = 296,857,586.39
  5. Step 5: Solve for x
    x = 296,857,586.39/16,740.62
  6. Step 6: Final answer
    x = 17,732.77

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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.