Home / 26,999.42-40,487.25-12,207.74

Finding the Fourth Proportional to 26,999.42, 40,487.25 and 12,207.74

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Solution

The fourth proportional to 26,999.42, 40,487.25 and 12,207.74 is: 18,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.42 : 40,487.25 = 12,207.74 : x
  2. Step 2: Convert to fraction form
    26,999.42/40,487.25 = 12,207.74/x
  3. Step 3: Cross multiply
    26,999.42x = 40,487.25 × 12,207.74
  4. Step 4: Simplify right side
    26,999.42x = 494,257,821.32
  5. Step 5: Solve for x
    x = 494,257,821.32/26,999.42
  6. Step 6: Final answer
    x = 18,306.24

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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.