Home / 26,115.06-39,189.09-13,657.44

Finding the Fourth Proportional to 26,115.06, 39,189.09 and 13,657.44

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Solution

The fourth proportional to 26,115.06, 39,189.09 and 13,657.44 is: 20,494.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.06 : 39,189.09 = 13,657.44 : x
  2. Step 2: Convert to fraction form
    26,115.06/39,189.09 = 13,657.44/x
  3. Step 3: Cross multiply
    26,115.06x = 39,189.09 × 13,657.44
  4. Step 4: Simplify right side
    26,115.06x = 535,222,645.33
  5. Step 5: Solve for x
    x = 535,222,645.33/26,115.06
  6. Step 6: Final answer
    x = 20,494.79

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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.