Home / 17,271.12-25,879-15,610.38

Finding the Fourth Proportional to 17,271.12, 25,879 and 15,610.38

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Solution

The fourth proportional to 17,271.12, 25,879 and 15,610.38 is: 23,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,271.12 : 25,879 = 15,610.38 : x
  2. Step 2: Convert to fraction form
    17,271.12/25,879 = 15,610.38/x
  3. Step 3: Cross multiply
    17,271.12x = 25,879 × 15,610.38
  4. Step 4: Simplify right side
    17,271.12x = 403,981,024.02
  5. Step 5: Solve for x
    x = 403,981,024.02/17,271.12
  6. Step 6: Final answer
    x = 23,390.55

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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.