Home / 26,912.33-40,353.27-12,875.75

Finding the Fourth Proportional to 26,912.33, 40,353.27 and 12,875.75

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Solution

The fourth proportional to 26,912.33, 40,353.27 and 12,875.75 is: 19,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.33 : 40,353.27 = 12,875.75 : x
  2. Step 2: Convert to fraction form
    26,912.33/40,353.27 = 12,875.75/x
  3. Step 3: Cross multiply
    26,912.33x = 40,353.27 × 12,875.75
  4. Step 4: Simplify right side
    26,912.33x = 519,578,414.44
  5. Step 5: Solve for x
    x = 519,578,414.44/26,912.33
  6. Step 6: Final answer
    x = 19,306.34

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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.