Home / 18,218.17-27,327.66-8,350.75

Finding the Fourth Proportional to 18,218.17, 27,327.66 and 8,350.75

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Solution

The fourth proportional to 18,218.17, 27,327.66 and 8,350.75 is: 12,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.17 : 27,327.66 = 8,350.75 : x
  2. Step 2: Convert to fraction form
    18,218.17/27,327.66 = 8,350.75/x
  3. Step 3: Cross multiply
    18,218.17x = 27,327.66 × 8,350.75
  4. Step 4: Simplify right side
    18,218.17x = 228,206,456.75
  5. Step 5: Solve for x
    x = 228,206,456.75/18,218.17
  6. Step 6: Final answer
    x = 12,526.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.