Home / 25,487.15-38,230.73-7,958.48

Finding the Fourth Proportional to 25,487.15, 38,230.73 and 7,958.48

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Solution

The fourth proportional to 25,487.15, 38,230.73 and 7,958.48 is: 11,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.15 : 38,230.73 = 7,958.48 : x
  2. Step 2: Convert to fraction form
    25,487.15/38,230.73 = 7,958.48/x
  3. Step 3: Cross multiply
    25,487.15x = 38,230.73 × 7,958.48
  4. Step 4: Simplify right side
    25,487.15x = 304,258,269.14
  5. Step 5: Solve for x
    x = 304,258,269.14/25,487.15
  6. Step 6: Final answer
    x = 11,937.71

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Similar ratio
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1.5x scale

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.