Home / 13,724.28-20,592.42-5,938.20

Finding the Fourth Proportional to 13,724.28, 20,592.42 and 5,938.20

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Solution

The fourth proportional to 13,724.28, 20,592.42 and 5,938.20 is: 8,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.28 : 20,592.42 = 5,938.20 : x
  2. Step 2: Convert to fraction form
    13,724.28/20,592.42 = 5,938.20/x
  3. Step 3: Cross multiply
    13,724.28x = 20,592.42 × 5,938.20
  4. Step 4: Simplify right side
    13,724.28x = 122,281,908.44
  5. Step 5: Solve for x
    x = 122,281,908.44/13,724.28
  6. Step 6: Final answer
    x = 8,909.90

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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.