Home / 13,426.82-20,049.80-10,966.52

Finding the Fourth Proportional to 13,426.82, 20,049.80 and 10,966.52

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Solution

The fourth proportional to 13,426.82, 20,049.80 and 10,966.52 is: 16,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.82 : 20,049.80 = 10,966.52 : x
  2. Step 2: Convert to fraction form
    13,426.82/20,049.80 = 10,966.52/x
  3. Step 3: Cross multiply
    13,426.82x = 20,049.80 × 10,966.52
  4. Step 4: Simplify right side
    13,426.82x = 219,876,532.70
  5. Step 5: Solve for x
    x = 219,876,532.70/13,426.82
  6. Step 6: Final answer
    x = 16,375.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.