Home / 17,731.20-24,464.64-11,436

Finding the Fourth Proportional to 17,731.20, 24,464.64 and 11,436

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Solution

The fourth proportional to 17,731.20, 24,464.64 and 11,436 is: 15,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.20 : 24,464.64 = 11,436 : x
  2. Step 2: Convert to fraction form
    17,731.20/24,464.64 = 11,436/x
  3. Step 3: Cross multiply
    17,731.20x = 24,464.64 × 11,436
  4. Step 4: Simplify right side
    17,731.20x = 279,777,623.04
  5. Step 5: Solve for x
    x = 279,777,623.04/17,731.20
  6. Step 6: Final answer
    x = 15,778.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.