Home / 16,110.72-22,191.36-11,386.88

Finding the Fourth Proportional to 16,110.72, 22,191.36 and 11,386.88

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Solution

The fourth proportional to 16,110.72, 22,191.36 and 11,386.88 is: 15,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,110.72 : 22,191.36 = 11,386.88 : x
  2. Step 2: Convert to fraction form
    16,110.72/22,191.36 = 11,386.88/x
  3. Step 3: Cross multiply
    16,110.72x = 22,191.36 × 11,386.88
  4. Step 4: Simplify right side
    16,110.72x = 252,690,353.36
  5. Step 5: Solve for x
    x = 252,690,353.36/16,110.72
  6. Step 6: Final answer
    x = 15,684.61

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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.