Home / 38,245.64-57,383.18-18,522.68

Finding the Fourth Proportional to 38,245.64, 57,383.18 and 18,522.68

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Solution

The fourth proportional to 38,245.64, 57,383.18 and 18,522.68 is: 27,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.64 : 57,383.18 = 18,522.68 : x
  2. Step 2: Convert to fraction form
    38,245.64/57,383.18 = 18,522.68/x
  3. Step 3: Cross multiply
    38,245.64x = 57,383.18 × 18,522.68
  4. Step 4: Simplify right side
    38,245.64x = 1,062,890,280.52
  5. Step 5: Solve for x
    x = 1,062,890,280.52/38,245.64
  6. Step 6: Final answer
    x = 27,791.15

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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.