Home / 26,886.24-40,324.80-8,161.75

Finding the Fourth Proportional to 26,886.24, 40,324.80 and 8,161.75

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Solution

The fourth proportional to 26,886.24, 40,324.80 and 8,161.75 is: 12,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,886.24 : 40,324.80 = 8,161.75 : x
  2. Step 2: Convert to fraction form
    26,886.24/40,324.80 = 8,161.75/x
  3. Step 3: Cross multiply
    26,886.24x = 40,324.80 × 8,161.75
  4. Step 4: Simplify right side
    26,886.24x = 329,120,936.40
  5. Step 5: Solve for x
    x = 329,120,936.40/26,886.24
  6. Step 6: Final answer
    x = 12,241.24

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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.