Home / 38,722.46-58,091.25-12,425.18

Finding the Fourth Proportional to 38,722.46, 58,091.25 and 12,425.18

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Solution

The fourth proportional to 38,722.46, 58,091.25 and 12,425.18 is: 18,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,722.46 : 58,091.25 = 12,425.18 : x
  2. Step 2: Convert to fraction form
    38,722.46/58,091.25 = 12,425.18/x
  3. Step 3: Cross multiply
    38,722.46x = 58,091.25 × 12,425.18
  4. Step 4: Simplify right side
    38,722.46x = 721,794,237.68
  5. Step 5: Solve for x
    x = 721,794,237.68/38,722.46
  6. Step 6: Final answer
    x = 18,640.20

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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.