Home / 21,572.26-32,358.38-5,989.88

Finding the Fourth Proportional to 21,572.26, 32,358.38 and 5,989.88

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Solution

The fourth proportional to 21,572.26, 32,358.38 and 5,989.88 is: 8,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.26 : 32,358.38 = 5,989.88 : x
  2. Step 2: Convert to fraction form
    21,572.26/32,358.38 = 5,989.88/x
  3. Step 3: Cross multiply
    21,572.26x = 32,358.38 × 5,989.88
  4. Step 4: Simplify right side
    21,572.26x = 193,822,813.19
  5. Step 5: Solve for x
    x = 193,822,813.19/21,572.26
  6. Step 6: Final answer
    x = 8,984.82

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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.