Home / 13,414.24-20,121.36-8,796.16

Finding the Fourth Proportional to 13,414.24, 20,121.36 and 8,796.16

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Solution

The fourth proportional to 13,414.24, 20,121.36 and 8,796.16 is: 13,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.24 : 20,121.36 = 8,796.16 : x
  2. Step 2: Convert to fraction form
    13,414.24/20,121.36 = 8,796.16/x
  3. Step 3: Cross multiply
    13,414.24x = 20,121.36 × 8,796.16
  4. Step 4: Simplify right side
    13,414.24x = 176,990,701.98
  5. Step 5: Solve for x
    x = 176,990,701.98/13,414.24
  6. Step 6: Final answer
    x = 13,194.24

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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.