Home / 38,342.18-57,513.46-13,382.12

Finding the Fourth Proportional to 38,342.18, 57,513.46 and 13,382.12

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Solution

The fourth proportional to 38,342.18, 57,513.46 and 13,382.12 is: 20,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342.18 : 57,513.46 = 13,382.12 : x
  2. Step 2: Convert to fraction form
    38,342.18/57,513.46 = 13,382.12/x
  3. Step 3: Cross multiply
    38,342.18x = 57,513.46 × 13,382.12
  4. Step 4: Simplify right side
    38,342.18x = 769,652,023.34
  5. Step 5: Solve for x
    x = 769,652,023.34/38,342.18
  6. Step 6: Final answer
    x = 20,073.25

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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.