Home / 14,508.72-20,000.62-11,318.43

Finding the Fourth Proportional to 14,508.72, 20,000.62 and 11,318.43

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Solution

The fourth proportional to 14,508.72, 20,000.62 and 11,318.43 is: 15,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.72 : 20,000.62 = 11,318.43 : x
  2. Step 2: Convert to fraction form
    14,508.72/20,000.62 = 11,318.43/x
  3. Step 3: Cross multiply
    14,508.72x = 20,000.62 × 11,318.43
  4. Step 4: Simplify right side
    14,508.72x = 226,375,617.43
  5. Step 5: Solve for x
    x = 226,375,617.43/14,508.72
  6. Step 6: Final answer
    x = 15,602.73

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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.