Home / 16,191.11-22,343.72-9,117.59

Finding the Fourth Proportional to 16,191.11, 22,343.72 and 9,117.59

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Solution

The fourth proportional to 16,191.11, 22,343.72 and 9,117.59 is: 12,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.11 : 22,343.72 = 9,117.59 : x
  2. Step 2: Convert to fraction form
    16,191.11/22,343.72 = 9,117.59/x
  3. Step 3: Cross multiply
    16,191.11x = 22,343.72 × 9,117.59
  4. Step 4: Simplify right side
    16,191.11x = 203,720,720.73
  5. Step 5: Solve for x
    x = 203,720,720.73/16,191.11
  6. Step 6: Final answer
    x = 12,582.26

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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.