Home / 38,315.76-57,480.96-14,940.78

Finding the Fourth Proportional to 38,315.76, 57,480.96 and 14,940.78

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Solution

The fourth proportional to 38,315.76, 57,480.96 and 14,940.78 is: 22,414.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.76 : 57,480.96 = 14,940.78 : x
  2. Step 2: Convert to fraction form
    38,315.76/57,480.96 = 14,940.78/x
  3. Step 3: Cross multiply
    38,315.76x = 57,480.96 × 14,940.78
  4. Step 4: Simplify right side
    38,315.76x = 858,810,377.55
  5. Step 5: Solve for x
    x = 858,810,377.55/38,315.76
  6. Step 6: Final answer
    x = 22,414.02

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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.