Home / 13,674.22-20,512.14-3,680.44

Finding the Fourth Proportional to 13,674.22, 20,512.14 and 3,680.44

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Solution

The fourth proportional to 13,674.22, 20,512.14 and 3,680.44 is: 5,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.22 : 20,512.14 = 3,680.44 : x
  2. Step 2: Convert to fraction form
    13,674.22/20,512.14 = 3,680.44/x
  3. Step 3: Cross multiply
    13,674.22x = 20,512.14 × 3,680.44
  4. Step 4: Simplify right side
    13,674.22x = 75,493,700.54
  5. Step 5: Solve for x
    x = 75,493,700.54/13,674.22
  6. Step 6: Final answer
    x = 5,520.88

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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.