Home / 16,191.09-22,345.67-9,117.97

Finding the Fourth Proportional to 16,191.09, 22,345.67 and 9,117.97

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Solution

The fourth proportional to 16,191.09, 22,345.67 and 9,117.97 is: 12,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.09 : 22,345.67 = 9,117.97 : x
  2. Step 2: Convert to fraction form
    16,191.09/22,345.67 = 9,117.97/x
  3. Step 3: Cross multiply
    16,191.09x = 22,345.67 × 9,117.97
  4. Step 4: Simplify right side
    16,191.09x = 203,747,115.62
  5. Step 5: Solve for x
    x = 203,747,115.62/16,191.09
  6. Step 6: Final answer
    x = 12,583.90

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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.