Home / 17,205.85-25,806.34-5,517.55

Finding the Fourth Proportional to 17,205.85, 25,806.34 and 5,517.55

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Solution

The fourth proportional to 17,205.85, 25,806.34 and 5,517.55 is: 8,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.85 : 25,806.34 = 5,517.55 : x
  2. Step 2: Convert to fraction form
    17,205.85/25,806.34 = 5,517.55/x
  3. Step 3: Cross multiply
    17,205.85x = 25,806.34 × 5,517.55
  4. Step 4: Simplify right side
    17,205.85x = 142,387,628.44
  5. Step 5: Solve for x
    x = 142,387,628.44/17,205.85
  6. Step 6: Final answer
    x = 8,275.54

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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.