Home / 21,572.18-32,367.68-7,542.27

Finding the Fourth Proportional to 21,572.18, 32,367.68 and 7,542.27

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Solution

The fourth proportional to 21,572.18, 32,367.68 and 7,542.27 is: 11,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.18 : 32,367.68 = 7,542.27 : x
  2. Step 2: Convert to fraction form
    21,572.18/32,367.68 = 7,542.27/x
  3. Step 3: Cross multiply
    21,572.18x = 32,367.68 × 7,542.27
  4. Step 4: Simplify right side
    21,572.18x = 244,125,800.69
  5. Step 5: Solve for x
    x = 244,125,800.69/21,572.18
  6. Step 6: Final answer
    x = 11,316.70

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1.5x scale

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.