Home / 26,813.50-40,220.79-11,231.26

Finding the Fourth Proportional to 26,813.50, 40,220.79 and 11,231.26

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Solution

The fourth proportional to 26,813.50, 40,220.79 and 11,231.26 is: 16,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,813.50 : 40,220.79 = 11,231.26 : x
  2. Step 2: Convert to fraction form
    26,813.50/40,220.79 = 11,231.26/x
  3. Step 3: Cross multiply
    26,813.50x = 40,220.79 × 11,231.26
  4. Step 4: Simplify right side
    26,813.50x = 451,730,149.90
  5. Step 5: Solve for x
    x = 451,730,149.90/26,813.50
  6. Step 6: Final answer
    x = 16,847.12

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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.