Home / 13,193.28-19,789.92-3,833.88

Finding the Fourth Proportional to 13,193.28, 19,789.92 and 3,833.88

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Solution

The fourth proportional to 13,193.28, 19,789.92 and 3,833.88 is: 5,750.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.28 : 19,789.92 = 3,833.88 : x
  2. Step 2: Convert to fraction form
    13,193.28/19,789.92 = 3,833.88/x
  3. Step 3: Cross multiply
    13,193.28x = 19,789.92 × 3,833.88
  4. Step 4: Simplify right side
    13,193.28x = 75,872,178.49
  5. Step 5: Solve for x
    x = 75,872,178.49/13,193.28
  6. Step 6: Final answer
    x = 5,750.82

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Similar ratio
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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.