Home / 21,502.38-32,236.83-10,251.89

Finding the Fourth Proportional to 21,502.38, 32,236.83 and 10,251.89

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Solution

The fourth proportional to 21,502.38, 32,236.83 and 10,251.89 is: 15,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.38 : 32,236.83 = 10,251.89 : x
  2. Step 2: Convert to fraction form
    21,502.38/32,236.83 = 10,251.89/x
  3. Step 3: Cross multiply
    21,502.38x = 32,236.83 × 10,251.89
  4. Step 4: Simplify right side
    21,502.38x = 330,488,435.11
  5. Step 5: Solve for x
    x = 330,488,435.11/21,502.38
  6. Step 6: Final answer
    x = 15,369.85

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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.