Home / 17,080.24-25,605.20-8,190.72

Finding the Fourth Proportional to 17,080.24, 25,605.20 and 8,190.72

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Solution

The fourth proportional to 17,080.24, 25,605.20 and 8,190.72 is: 12,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,080.24 : 25,605.20 = 8,190.72 : x
  2. Step 2: Convert to fraction form
    17,080.24/25,605.20 = 8,190.72/x
  3. Step 3: Cross multiply
    17,080.24x = 25,605.20 × 8,190.72
  4. Step 4: Simplify right side
    17,080.24x = 209,725,023.74
  5. Step 5: Solve for x
    x = 209,725,023.74/17,080.24
  6. Step 6: Final answer
    x = 12,278.81

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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.