Home / 16,039.86-22,139.37-9,327.66

Finding the Fourth Proportional to 16,039.86, 22,139.37 and 9,327.66

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Solution

The fourth proportional to 16,039.86, 22,139.37 and 9,327.66 is: 12,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,039.86 : 22,139.37 = 9,327.66 : x
  2. Step 2: Convert to fraction form
    16,039.86/22,139.37 = 9,327.66/x
  3. Step 3: Cross multiply
    16,039.86x = 22,139.37 × 9,327.66
  4. Step 4: Simplify right side
    16,039.86x = 206,508,515.97
  5. Step 5: Solve for x
    x = 206,508,515.97/16,039.86
  6. Step 6: Final answer
    x = 12,874.71

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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.