Home / 36,113.76-54,151.20-13,932.72

Finding the Fourth Proportional to 36,113.76, 54,151.20 and 13,932.72

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Solution

The fourth proportional to 36,113.76, 54,151.20 and 13,932.72 is: 20,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.76 : 54,151.20 = 13,932.72 : x
  2. Step 2: Convert to fraction form
    36,113.76/54,151.20 = 13,932.72/x
  3. Step 3: Cross multiply
    36,113.76x = 54,151.20 × 13,932.72
  4. Step 4: Simplify right side
    36,113.76x = 754,473,507.26
  5. Step 5: Solve for x
    x = 754,473,507.26/36,113.76
  6. Step 6: Final answer
    x = 20,891.58

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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.