Home / 13,572.53-20,359.10-9,553.49

Finding the Fourth Proportional to 13,572.53, 20,359.10 and 9,553.49

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Solution

The fourth proportional to 13,572.53, 20,359.10 and 9,553.49 is: 14,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.53 : 20,359.10 = 9,553.49 : x
  2. Step 2: Convert to fraction form
    13,572.53/20,359.10 = 9,553.49/x
  3. Step 3: Cross multiply
    13,572.53x = 20,359.10 × 9,553.49
  4. Step 4: Simplify right side
    13,572.53x = 194,500,517.48
  5. Step 5: Solve for x
    x = 194,500,517.48/13,572.53
  6. Step 6: Final answer
    x = 14,330.45

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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.