Home / 16,167.45-22,310.79-9,879.82

Finding the Fourth Proportional to 16,167.45, 22,310.79 and 9,879.82

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Solution

The fourth proportional to 16,167.45, 22,310.79 and 9,879.82 is: 13,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,167.45 : 22,310.79 = 9,879.82 : x
  2. Step 2: Convert to fraction form
    16,167.45/22,310.79 = 9,879.82/x
  3. Step 3: Cross multiply
    16,167.45x = 22,310.79 × 9,879.82
  4. Step 4: Simplify right side
    16,167.45x = 220,426,589.26
  5. Step 5: Solve for x
    x = 220,426,589.26/16,167.45
  6. Step 6: Final answer
    x = 13,633.97

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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.