Home / 38,550.28-57,825.42-12,255.02

Finding the Fourth Proportional to 38,550.28, 57,825.42 and 12,255.02

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Solution

The fourth proportional to 38,550.28, 57,825.42 and 12,255.02 is: 18,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,550.28 : 57,825.42 = 12,255.02 : x
  2. Step 2: Convert to fraction form
    38,550.28/57,825.42 = 12,255.02/x
  3. Step 3: Cross multiply
    38,550.28x = 57,825.42 × 12,255.02
  4. Step 4: Simplify right side
    38,550.28x = 708,651,678.61
  5. Step 5: Solve for x
    x = 708,651,678.61/38,550.28
  6. Step 6: Final answer
    x = 18,382.53

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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.