Home / 25,078.82-34,608.06-13,747.73

Finding the Fourth Proportional to 25,078.82, 34,608.06 and 13,747.73

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Solution

The fourth proportional to 25,078.82, 34,608.06 and 13,747.73 is: 18,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.82 : 34,608.06 = 13,747.73 : x
  2. Step 2: Convert to fraction form
    25,078.82/34,608.06 = 13,747.73/x
  3. Step 3: Cross multiply
    25,078.82x = 34,608.06 × 13,747.73
  4. Step 4: Simplify right side
    25,078.82x = 475,782,091.66
  5. Step 5: Solve for x
    x = 475,782,091.66/25,078.82
  6. Step 6: Final answer
    x = 18,971.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.