Home / 13,382.35-20,073.85-4,497.81

Finding the Fourth Proportional to 13,382.35, 20,073.85 and 4,497.81

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Solution

The fourth proportional to 13,382.35, 20,073.85 and 4,497.81 is: 6,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.35 : 20,073.85 = 4,497.81 : x
  2. Step 2: Convert to fraction form
    13,382.35/20,073.85 = 4,497.81/x
  3. Step 3: Cross multiply
    13,382.35x = 20,073.85 × 4,497.81
  4. Step 4: Simplify right side
    13,382.35x = 90,288,414.96
  5. Step 5: Solve for x
    x = 90,288,414.96/13,382.35
  6. Step 6: Final answer
    x = 6,746.83

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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.