Home / 17,144.20-25,718.30-5,458.60

Finding the Fourth Proportional to 17,144.20, 25,718.30 and 5,458.60

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Solution

The fourth proportional to 17,144.20, 25,718.30 and 5,458.60 is: 8,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144.20 : 25,718.30 = 5,458.60 : x
  2. Step 2: Convert to fraction form
    17,144.20/25,718.30 = 5,458.60/x
  3. Step 3: Cross multiply
    17,144.20x = 25,718.30 × 5,458.60
  4. Step 4: Simplify right side
    17,144.20x = 140,385,912.38
  5. Step 5: Solve for x
    x = 140,385,912.38/17,144.20
  6. Step 6: Final answer
    x = 8,188.54

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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.