Home / 38,906.17-58,367.78-12,613.57

Finding the Fourth Proportional to 38,906.17, 58,367.78 and 12,613.57

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Solution

The fourth proportional to 38,906.17, 58,367.78 and 12,613.57 is: 18,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906.17 : 58,367.78 = 12,613.57 : x
  2. Step 2: Convert to fraction form
    38,906.17/58,367.78 = 12,613.57/x
  3. Step 3: Cross multiply
    38,906.17x = 58,367.78 × 12,613.57
  4. Step 4: Simplify right side
    38,906.17x = 736,225,723.87
  5. Step 5: Solve for x
    x = 736,225,723.87/38,906.17
  6. Step 6: Final answer
    x = 18,923.11

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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.