Home / 25,905.14-38,844.32-8,372.68

Finding the Fourth Proportional to 25,905.14, 38,844.32 and 8,372.68

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Solution

The fourth proportional to 25,905.14, 38,844.32 and 8,372.68 is: 12,554.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905.14 : 38,844.32 = 8,372.68 : x
  2. Step 2: Convert to fraction form
    25,905.14/38,844.32 = 8,372.68/x
  3. Step 3: Cross multiply
    25,905.14x = 38,844.32 × 8,372.68
  4. Step 4: Simplify right side
    25,905.14x = 325,231,061.18
  5. Step 5: Solve for x
    x = 325,231,061.18/25,905.14
  6. Step 6: Final answer
    x = 12,554.69

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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.