Home / 16,222.86-22,387.24-9,149.28

Finding the Fourth Proportional to 16,222.86, 22,387.24 and 9,149.28

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Solution

The fourth proportional to 16,222.86, 22,387.24 and 9,149.28 is: 12,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.86 : 22,387.24 = 9,149.28 : x
  2. Step 2: Convert to fraction form
    16,222.86/22,387.24 = 9,149.28/x
  3. Step 3: Cross multiply
    16,222.86x = 22,387.24 × 9,149.28
  4. Step 4: Simplify right side
    16,222.86x = 204,827,127.19
  5. Step 5: Solve for x
    x = 204,827,127.19/16,222.86
  6. Step 6: Final answer
    x = 12,625.83

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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.