Home / 19,432.74-29,149.11-9,570.18

Finding the Fourth Proportional to 19,432.74, 29,149.11 and 9,570.18

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Solution

The fourth proportional to 19,432.74, 29,149.11 and 9,570.18 is: 14,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.74 : 29,149.11 = 9,570.18 : x
  2. Step 2: Convert to fraction form
    19,432.74/29,149.11 = 9,570.18/x
  3. Step 3: Cross multiply
    19,432.74x = 29,149.11 × 9,570.18
  4. Step 4: Simplify right side
    19,432.74x = 278,962,229.54
  5. Step 5: Solve for x
    x = 278,962,229.54/19,432.74
  6. Step 6: Final answer
    x = 14,355.27

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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.