Home / 26,121.54-39,183.30-8,592.78

Finding the Fourth Proportional to 26,121.54, 39,183.30 and 8,592.78

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Solution

The fourth proportional to 26,121.54, 39,183.30 and 8,592.78 is: 12,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.54 : 39,183.30 = 8,592.78 : x
  2. Step 2: Convert to fraction form
    26,121.54/39,183.30 = 8,592.78/x
  3. Step 3: Cross multiply
    26,121.54x = 39,183.30 × 8,592.78
  4. Step 4: Simplify right side
    26,121.54x = 336,693,476.57
  5. Step 5: Solve for x
    x = 336,693,476.57/26,121.54
  6. Step 6: Final answer
    x = 12,889.50

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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.