Home / 17,116.72-25,660.08-8,227.60

Finding the Fourth Proportional to 17,116.72, 25,660.08 and 8,227.60

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Solution

The fourth proportional to 17,116.72, 25,660.08 and 8,227.60 is: 12,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,116.72 : 25,660.08 = 8,227.60 : x
  2. Step 2: Convert to fraction form
    17,116.72/25,660.08 = 8,227.60/x
  3. Step 3: Cross multiply
    17,116.72x = 25,660.08 × 8,227.60
  4. Step 4: Simplify right side
    17,116.72x = 211,120,874.21
  5. Step 5: Solve for x
    x = 211,120,874.21/17,116.72
  6. Step 6: Final answer
    x = 12,334.19

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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.