Home / 14,149.17-19,522.67-8,179.79

Finding the Fourth Proportional to 14,149.17, 19,522.67 and 8,179.79

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Solution

The fourth proportional to 14,149.17, 19,522.67 and 8,179.79 is: 11,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.17 : 19,522.67 = 8,179.79 : x
  2. Step 2: Convert to fraction form
    14,149.17/19,522.67 = 8,179.79/x
  3. Step 3: Cross multiply
    14,149.17x = 19,522.67 × 8,179.79
  4. Step 4: Simplify right side
    14,149.17x = 159,691,202.33
  5. Step 5: Solve for x
    x = 159,691,202.33/14,149.17
  6. Step 6: Final answer
    x = 11,286.26

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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.