Home / 26,132.12-39,203.77-8,119.97

Finding the Fourth Proportional to 26,132.12, 39,203.77 and 8,119.97

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Solution

The fourth proportional to 26,132.12, 39,203.77 and 8,119.97 is: 12,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,132.12 : 39,203.77 = 8,119.97 : x
  2. Step 2: Convert to fraction form
    26,132.12/39,203.77 = 8,119.97/x
  3. Step 3: Cross multiply
    26,132.12x = 39,203.77 × 8,119.97
  4. Step 4: Simplify right side
    26,132.12x = 318,333,436.29
  5. Step 5: Solve for x
    x = 318,333,436.29/26,132.12
  6. Step 6: Final answer
    x = 12,181.69

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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.