Home / 26,111.68-39,167.52-8,581.36

Finding the Fourth Proportional to 26,111.68, 39,167.52 and 8,581.36

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Solution

The fourth proportional to 26,111.68, 39,167.52 and 8,581.36 is: 12,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.68 : 39,167.52 = 8,581.36 : x
  2. Step 2: Convert to fraction form
    26,111.68/39,167.52 = 8,581.36/x
  3. Step 3: Cross multiply
    26,111.68x = 39,167.52 × 8,581.36
  4. Step 4: Simplify right side
    26,111.68x = 336,110,589.43
  5. Step 5: Solve for x
    x = 336,110,589.43/26,111.68
  6. Step 6: Final answer
    x = 12,872.04

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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.