Home / 13,382.15-20,073.29-5,488.97

Finding the Fourth Proportional to 13,382.15, 20,073.29 and 5,488.97

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Solution

The fourth proportional to 13,382.15, 20,073.29 and 5,488.97 is: 8,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.15 : 20,073.29 = 5,488.97 : x
  2. Step 2: Convert to fraction form
    13,382.15/20,073.29 = 5,488.97/x
  3. Step 3: Cross multiply
    13,382.15x = 20,073.29 × 5,488.97
  4. Step 4: Simplify right side
    13,382.15x = 110,181,558.80
  5. Step 5: Solve for x
    x = 110,181,558.80/13,382.15
  6. Step 6: Final answer
    x = 8,233.48

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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.