Home / 26,999.75-40,506.12-8,531.75

Finding the Fourth Proportional to 26,999.75, 40,506.12 and 8,531.75

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Solution

The fourth proportional to 26,999.75, 40,506.12 and 8,531.75 is: 12,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.75 : 40,506.12 = 8,531.75 : x
  2. Step 2: Convert to fraction form
    26,999.75/40,506.12 = 8,531.75/x
  3. Step 3: Cross multiply
    26,999.75x = 40,506.12 × 8,531.75
  4. Step 4: Simplify right side
    26,999.75x = 345,588,089.31
  5. Step 5: Solve for x
    x = 345,588,089.31/26,999.75
  6. Step 6: Final answer
    x = 12,799.68

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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.