Home / 15,983.82-23,961.12-5,589.90

Finding the Fourth Proportional to 15,983.82, 23,961.12 and 5,589.90

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Solution

The fourth proportional to 15,983.82, 23,961.12 and 5,589.90 is: 8,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.82 : 23,961.12 = 5,589.90 : x
  2. Step 2: Convert to fraction form
    15,983.82/23,961.12 = 5,589.90/x
  3. Step 3: Cross multiply
    15,983.82x = 23,961.12 × 5,589.90
  4. Step 4: Simplify right side
    15,983.82x = 133,940,264.69
  5. Step 5: Solve for x
    x = 133,940,264.69/15,983.82
  6. Step 6: Final answer
    x = 8,379.74

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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.