Home / 16,177.96-22,320.24-13,188.65

Finding the Fourth Proportional to 16,177.96, 22,320.24 and 13,188.65

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Solution

The fourth proportional to 16,177.96, 22,320.24 and 13,188.65 is: 18,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,177.96 : 22,320.24 = 13,188.65 : x
  2. Step 2: Convert to fraction form
    16,177.96/22,320.24 = 13,188.65/x
  3. Step 3: Cross multiply
    16,177.96x = 22,320.24 × 13,188.65
  4. Step 4: Simplify right side
    16,177.96x = 294,373,833.28
  5. Step 5: Solve for x
    x = 294,373,833.28/16,177.96
  6. Step 6: Final answer
    x = 18,195.98

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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.