Home / 17,020.45-25,540.67-7,158.97

Finding the Fourth Proportional to 17,020.45, 25,540.67 and 7,158.97

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Solution

The fourth proportional to 17,020.45, 25,540.67 and 7,158.97 is: 10,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.45 : 25,540.67 = 7,158.97 : x
  2. Step 2: Convert to fraction form
    17,020.45/25,540.67 = 7,158.97/x
  3. Step 3: Cross multiply
    17,020.45x = 25,540.67 × 7,158.97
  4. Step 4: Simplify right side
    17,020.45x = 182,844,890.31
  5. Step 5: Solve for x
    x = 182,844,890.31/17,020.45
  6. Step 6: Final answer
    x = 10,742.66

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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.