Home / 21,472.28-32,209.50-5,890.04

Finding the Fourth Proportional to 21,472.28, 32,209.50 and 5,890.04

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Solution

The fourth proportional to 21,472.28, 32,209.50 and 5,890.04 is: 8,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472.28 : 32,209.50 = 5,890.04 : x
  2. Step 2: Convert to fraction form
    21,472.28/32,209.50 = 5,890.04/x
  3. Step 3: Cross multiply
    21,472.28x = 32,209.50 × 5,890.04
  4. Step 4: Simplify right side
    21,472.28x = 189,715,243.38
  5. Step 5: Solve for x
    x = 189,715,243.38/21,472.28
  6. Step 6: Final answer
    x = 8,835.36

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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.