Home / 13,724.71-20,572.92-5,401.35

Finding the Fourth Proportional to 13,724.71, 20,572.92 and 5,401.35

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Solution

The fourth proportional to 13,724.71, 20,572.92 and 5,401.35 is: 8,096.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.71 : 20,572.92 = 5,401.35 : x
  2. Step 2: Convert to fraction form
    13,724.71/20,572.92 = 5,401.35/x
  3. Step 3: Cross multiply
    13,724.71x = 20,572.92 × 5,401.35
  4. Step 4: Simplify right side
    13,724.71x = 111,121,541.44
  5. Step 5: Solve for x
    x = 111,121,541.44/13,724.71
  6. Step 6: Final answer
    x = 8,096.46

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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.