Home / 14,553.14-20,083.25-8,179.89

Finding the Fourth Proportional to 14,553.14, 20,083.25 and 8,179.89

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Solution

The fourth proportional to 14,553.14, 20,083.25 and 8,179.89 is: 11,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.14 : 20,083.25 = 8,179.89 : x
  2. Step 2: Convert to fraction form
    14,553.14/20,083.25 = 8,179.89/x
  3. Step 3: Cross multiply
    14,553.14x = 20,083.25 × 8,179.89
  4. Step 4: Simplify right side
    14,553.14x = 164,278,734.94
  5. Step 5: Solve for x
    x = 164,278,734.94/14,553.14
  6. Step 6: Final answer
    x = 11,288.20

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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.