Home / 38,265.02-57,395.94-13,310.72

Finding the Fourth Proportional to 38,265.02, 57,395.94 and 13,310.72

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Solution

The fourth proportional to 38,265.02, 57,395.94 and 13,310.72 is: 19,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,265.02 : 57,395.94 = 13,310.72 : x
  2. Step 2: Convert to fraction form
    38,265.02/57,395.94 = 13,310.72/x
  3. Step 3: Cross multiply
    38,265.02x = 57,395.94 × 13,310.72
  4. Step 4: Simplify right side
    38,265.02x = 763,981,286.48
  5. Step 5: Solve for x
    x = 763,981,286.48/38,265.02
  6. Step 6: Final answer
    x = 19,965.53

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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.