Home / 26,105.61-39,174.89-11,112.71

Finding the Fourth Proportional to 26,105.61, 39,174.89 and 11,112.71

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Solution

The fourth proportional to 26,105.61, 39,174.89 and 11,112.71 is: 16,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.61 : 39,174.89 = 11,112.71 : x
  2. Step 2: Convert to fraction form
    26,105.61/39,174.89 = 11,112.71/x
  3. Step 3: Cross multiply
    26,105.61x = 39,174.89 × 11,112.71
  4. Step 4: Simplify right side
    26,105.61x = 435,339,191.85
  5. Step 5: Solve for x
    x = 435,339,191.85/26,105.61
  6. Step 6: Final answer
    x = 16,676.08

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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.