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Finding the Fourth Proportional to 13,593.64, 20,367.20 and 10,630.94

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Solution

The fourth proportional to 13,593.64, 20,367.20 and 10,630.94 is: 15,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.64 : 20,367.20 = 10,630.94 : x
  2. Step 2: Convert to fraction form
    13,593.64/20,367.20 = 10,630.94/x
  3. Step 3: Cross multiply
    13,593.64x = 20,367.20 × 10,630.94
  4. Step 4: Simplify right side
    13,593.64x = 216,522,481.17
  5. Step 5: Solve for x
    x = 216,522,481.17/13,593.64
  6. Step 6: Final answer
    x = 15,928.22

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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.