Home / 14,550.90-20,080.17-8,177.66

Finding the Fourth Proportional to 14,550.90, 20,080.17 and 8,177.66

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Solution

The fourth proportional to 14,550.90, 20,080.17 and 8,177.66 is: 11,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.90 : 20,080.17 = 8,177.66 : x
  2. Step 2: Convert to fraction form
    14,550.90/20,080.17 = 8,177.66/x
  3. Step 3: Cross multiply
    14,550.90x = 20,080.17 × 8,177.66
  4. Step 4: Simplify right side
    14,550.90x = 164,208,890.85
  5. Step 5: Solve for x
    x = 164,208,890.85/14,550.90
  6. Step 6: Final answer
    x = 11,285.14

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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.