Home / 13,543.92-20,335.32-8,849.16

Finding the Fourth Proportional to 13,543.92, 20,335.32 and 8,849.16

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Solution

The fourth proportional to 13,543.92, 20,335.32 and 8,849.16 is: 13,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.92 : 20,335.32 = 8,849.16 : x
  2. Step 2: Convert to fraction form
    13,543.92/20,335.32 = 8,849.16/x
  3. Step 3: Cross multiply
    13,543.92x = 20,335.32 × 8,849.16
  4. Step 4: Simplify right side
    13,543.92x = 179,950,500.33
  5. Step 5: Solve for x
    x = 179,950,500.33/13,543.92
  6. Step 6: Final answer
    x = 13,286.44

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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.