Home / 13,432.35-20,148.42-3,572.33

Finding the Fourth Proportional to 13,432.35, 20,148.42 and 3,572.33

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Solution

The fourth proportional to 13,432.35, 20,148.42 and 3,572.33 is: 5,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.35 : 20,148.42 = 3,572.33 : x
  2. Step 2: Convert to fraction form
    13,432.35/20,148.42 = 3,572.33/x
  3. Step 3: Cross multiply
    13,432.35x = 20,148.42 × 3,572.33
  4. Step 4: Simplify right side
    13,432.35x = 71,976,704.48
  5. Step 5: Solve for x
    x = 71,976,704.48/13,432.35
  6. Step 6: Final answer
    x = 5,358.46

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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.