Home / 14,550.27-20,079.86-8,177.97

Finding the Fourth Proportional to 14,550.27, 20,079.86 and 8,177.97

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Solution

The fourth proportional to 14,550.27, 20,079.86 and 8,177.97 is: 11,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.27 : 20,079.86 = 8,177.97 : x
  2. Step 2: Convert to fraction form
    14,550.27/20,079.86 = 8,177.97/x
  3. Step 3: Cross multiply
    14,550.27x = 20,079.86 × 8,177.97
  4. Step 4: Simplify right side
    14,550.27x = 164,212,451.79
  5. Step 5: Solve for x
    x = 164,212,451.79/14,550.27
  6. Step 6: Final answer
    x = 11,285.87

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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.