Home / 29,013.28-43,519.20-9,291.76

Finding the Fourth Proportional to 29,013.28, 43,519.20 and 9,291.76

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Solution

The fourth proportional to 29,013.28, 43,519.20 and 9,291.76 is: 13,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,013.28 : 43,519.20 = 9,291.76 : x
  2. Step 2: Convert to fraction form
    29,013.28/43,519.20 = 9,291.76/x
  3. Step 3: Cross multiply
    29,013.28x = 43,519.20 × 9,291.76
  4. Step 4: Simplify right side
    29,013.28x = 404,369,961.79
  5. Step 5: Solve for x
    x = 404,369,961.79/29,013.28
  6. Step 6: Final answer
    x = 13,937.41

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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.