Home / 26,781.10-40,171.44-8,061.06

Finding the Fourth Proportional to 26,781.10, 40,171.44 and 8,061.06

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Solution

The fourth proportional to 26,781.10, 40,171.44 and 8,061.06 is: 12,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.10 : 40,171.44 = 8,061.06 : x
  2. Step 2: Convert to fraction form
    26,781.10/40,171.44 = 8,061.06/x
  3. Step 3: Cross multiply
    26,781.10x = 40,171.44 × 8,061.06
  4. Step 4: Simplify right side
    26,781.10x = 323,824,187.27
  5. Step 5: Solve for x
    x = 323,824,187.27/26,781.10
  6. Step 6: Final answer
    x = 12,091.52

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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.