Home / 25,631.22-38,451.68-8,097.54

Finding the Fourth Proportional to 25,631.22, 38,451.68 and 8,097.54

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Solution

The fourth proportional to 25,631.22, 38,451.68 and 8,097.54 is: 12,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.22 : 38,451.68 = 8,097.54 : x
  2. Step 2: Convert to fraction form
    25,631.22/38,451.68 = 8,097.54/x
  3. Step 3: Cross multiply
    25,631.22x = 38,451.68 × 8,097.54
  4. Step 4: Simplify right side
    25,631.22x = 311,364,016.87
  5. Step 5: Solve for x
    x = 311,364,016.87/25,631.22
  6. Step 6: Final answer
    x = 12,147.84

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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.