Home / 26,845.36-40,237.66-13,669.90

Finding the Fourth Proportional to 26,845.36, 40,237.66 and 13,669.90

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Solution

The fourth proportional to 26,845.36, 40,237.66 and 13,669.90 is: 20,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.36 : 40,237.66 = 13,669.90 : x
  2. Step 2: Convert to fraction form
    26,845.36/40,237.66 = 13,669.90/x
  3. Step 3: Cross multiply
    26,845.36x = 40,237.66 × 13,669.90
  4. Step 4: Simplify right side
    26,845.36x = 550,044,788.43
  5. Step 5: Solve for x
    x = 550,044,788.43/26,845.36
  6. Step 6: Final answer
    x = 20,489.38

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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.