Home / 25,629.12-38,447.82-8,097.66

Finding the Fourth Proportional to 25,629.12, 38,447.82 and 8,097.66

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Solution

The fourth proportional to 25,629.12, 38,447.82 and 8,097.66 is: 12,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.12 : 38,447.82 = 8,097.66 : x
  2. Step 2: Convert to fraction form
    25,629.12/38,447.82 = 8,097.66/x
  3. Step 3: Cross multiply
    25,629.12x = 38,447.82 × 8,097.66
  4. Step 4: Simplify right side
    25,629.12x = 311,337,374.10
  5. Step 5: Solve for x
    x = 311,337,374.10/25,629.12
  6. Step 6: Final answer
    x = 12,147.80

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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.