Home / 38,272.96-57,405.84-13,306.96

Finding the Fourth Proportional to 38,272.96, 57,405.84 and 13,306.96

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Solution

The fourth proportional to 38,272.96, 57,405.84 and 13,306.96 is: 19,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,272.96 : 57,405.84 = 13,306.96 : x
  2. Step 2: Convert to fraction form
    38,272.96/57,405.84 = 13,306.96/x
  3. Step 3: Cross multiply
    38,272.96x = 57,405.84 × 13,306.96
  4. Step 4: Simplify right side
    38,272.96x = 763,897,216.65
  5. Step 5: Solve for x
    x = 763,897,216.65/38,272.96
  6. Step 6: Final answer
    x = 19,959.19

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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.