Home / 26,544.78-39,789.24-13,369.48

Finding the Fourth Proportional to 26,544.78, 39,789.24 and 13,369.48

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Solution

The fourth proportional to 26,544.78, 39,789.24 and 13,369.48 is: 20,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,544.78 : 39,789.24 = 13,369.48 : x
  2. Step 2: Convert to fraction form
    26,544.78/39,789.24 = 13,369.48/x
  3. Step 3: Cross multiply
    26,544.78x = 39,789.24 × 13,369.48
  4. Step 4: Simplify right side
    26,544.78x = 531,961,448.40
  5. Step 5: Solve for x
    x = 531,961,448.40/26,544.78
  6. Step 6: Final answer
    x = 20,040.15

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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.