Home / 26,676.23-40,039.44-13,538.03

Finding the Fourth Proportional to 26,676.23, 40,039.44 and 13,538.03

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Solution

The fourth proportional to 26,676.23, 40,039.44 and 13,538.03 is: 20,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.23 : 40,039.44 = 13,538.03 : x
  2. Step 2: Convert to fraction form
    26,676.23/40,039.44 = 13,538.03/x
  3. Step 3: Cross multiply
    26,676.23x = 40,039.44 × 13,538.03
  4. Step 4: Simplify right side
    26,676.23x = 542,055,139.90
  5. Step 5: Solve for x
    x = 542,055,139.90/26,676.23
  6. Step 6: Final answer
    x = 20,319.78

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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.