Home / 17,042.73-25,540.47-12,879.33

Finding the Fourth Proportional to 17,042.73, 25,540.47 and 12,879.33

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Solution

The fourth proportional to 17,042.73, 25,540.47 and 12,879.33 is: 19,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,042.73 : 25,540.47 = 12,879.33 : x
  2. Step 2: Convert to fraction form
    17,042.73/25,540.47 = 12,879.33/x
  3. Step 3: Cross multiply
    17,042.73x = 25,540.47 × 12,879.33
  4. Step 4: Simplify right side
    17,042.73x = 328,944,141.49
  5. Step 5: Solve for x
    x = 328,944,141.49/17,042.73
  6. Step 6: Final answer
    x = 19,301.14

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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.