Home / 25,654.92-38,478.66-6,936.05

Finding the Fourth Proportional to 25,654.92, 38,478.66 and 6,936.05

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Solution

The fourth proportional to 25,654.92, 38,478.66 and 6,936.05 is: 10,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.92 : 38,478.66 = 6,936.05 : x
  2. Step 2: Convert to fraction form
    25,654.92/38,478.66 = 6,936.05/x
  3. Step 3: Cross multiply
    25,654.92x = 38,478.66 × 6,936.05
  4. Step 4: Simplify right side
    25,654.92x = 266,889,717.30
  5. Step 5: Solve for x
    x = 266,889,717.30/25,654.92
  6. Step 6: Final answer
    x = 10,403.06

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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.