Home / 26,508.18-39,767.10-10,917.30

Finding the Fourth Proportional to 26,508.18, 39,767.10 and 10,917.30

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Solution

The fourth proportional to 26,508.18, 39,767.10 and 10,917.30 is: 16,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508.18 : 39,767.10 = 10,917.30 : x
  2. Step 2: Convert to fraction form
    26,508.18/39,767.10 = 10,917.30/x
  3. Step 3: Cross multiply
    26,508.18x = 39,767.10 × 10,917.30
  4. Step 4: Simplify right side
    26,508.18x = 434,149,360.83
  5. Step 5: Solve for x
    x = 434,149,360.83/26,508.18
  6. Step 6: Final answer
    x = 16,377.94

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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.