Home / 25,826.97-38,743.16-9,188.54

Finding the Fourth Proportional to 25,826.97, 38,743.16 and 9,188.54

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Solution

The fourth proportional to 25,826.97, 38,743.16 and 9,188.54 is: 13,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,826.97 : 38,743.16 = 9,188.54 : x
  2. Step 2: Convert to fraction form
    25,826.97/38,743.16 = 9,188.54/x
  3. Step 3: Cross multiply
    25,826.97x = 38,743.16 × 9,188.54
  4. Step 4: Simplify right side
    25,826.97x = 355,992,835.73
  5. Step 5: Solve for x
    x = 355,992,835.73/25,826.97
  6. Step 6: Final answer
    x = 13,783.76

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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.