Home / 25,806.11-38,654.48-19,496.61

Finding the Fourth Proportional to 25,806.11, 38,654.48 and 19,496.61

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Solution

The fourth proportional to 25,806.11, 38,654.48 and 19,496.61 is: 29,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.11 : 38,654.48 = 19,496.61 : x
  2. Step 2: Convert to fraction form
    25,806.11/38,654.48 = 19,496.61/x
  3. Step 3: Cross multiply
    25,806.11x = 38,654.48 × 19,496.61
  4. Step 4: Simplify right side
    25,806.11x = 753,631,321.31
  5. Step 5: Solve for x
    x = 753,631,321.31/25,806.11
  6. Step 6: Final answer
    x = 29,203.60

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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.