Home / 13,432.68-20,150.01-3,571.92

Finding the Fourth Proportional to 13,432.68, 20,150.01 and 3,571.92

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Solution

The fourth proportional to 13,432.68, 20,150.01 and 3,571.92 is: 5,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.68 : 20,150.01 = 3,571.92 : x
  2. Step 2: Convert to fraction form
    13,432.68/20,150.01 = 3,571.92/x
  3. Step 3: Cross multiply
    13,432.68x = 20,150.01 × 3,571.92
  4. Step 4: Simplify right side
    13,432.68x = 71,974,223.72
  5. Step 5: Solve for x
    x = 71,974,223.72/13,432.68
  6. Step 6: Final answer
    x = 5,358.14

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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.