Home / 25,961.38-38,942.08-7,240.66

Finding the Fourth Proportional to 25,961.38, 38,942.08 and 7,240.66

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Solution

The fourth proportional to 25,961.38, 38,942.08 and 7,240.66 is: 10,860.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961.38 : 38,942.08 = 7,240.66 : x
  2. Step 2: Convert to fraction form
    25,961.38/38,942.08 = 7,240.66/x
  3. Step 3: Cross multiply
    25,961.38x = 38,942.08 × 7,240.66
  4. Step 4: Simplify right side
    25,961.38x = 281,966,360.97
  5. Step 5: Solve for x
    x = 281,966,360.97/25,961.38
  6. Step 6: Final answer
    x = 10,860.99

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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.