Home / 29,891.28-41,277.96-18,732.72

Finding the Fourth Proportional to 29,891.28, 41,277.96 and 18,732.72

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Solution

The fourth proportional to 29,891.28, 41,277.96 and 18,732.72 is: 25,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,891.28 : 41,277.96 = 18,732.72 : x
  2. Step 2: Convert to fraction form
    29,891.28/41,277.96 = 18,732.72/x
  3. Step 3: Cross multiply
    29,891.28x = 41,277.96 × 18,732.72
  4. Step 4: Simplify right side
    29,891.28x = 773,248,466.85
  5. Step 5: Solve for x
    x = 773,248,466.85/29,891.28
  6. Step 6: Final answer
    x = 25,868.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.