Home / 13,593.60-18,754.20-8,884.80

Finding the Fourth Proportional to 13,593.60, 18,754.20 and 8,884.80

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Solution

The fourth proportional to 13,593.60, 18,754.20 and 8,884.80 is: 12,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.60 : 18,754.20 = 8,884.80 : x
  2. Step 2: Convert to fraction form
    13,593.60/18,754.20 = 8,884.80/x
  3. Step 3: Cross multiply
    13,593.60x = 18,754.20 × 8,884.80
  4. Step 4: Simplify right side
    13,593.60x = 166,627,316.16
  5. Step 5: Solve for x
    x = 166,627,316.16/13,593.60
  6. Step 6: Final answer
    x = 12,257.78

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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.