Home / 13,040.43-19,550.12-5,241.75

Finding the Fourth Proportional to 13,040.43, 19,550.12 and 5,241.75

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Solution

The fourth proportional to 13,040.43, 19,550.12 and 5,241.75 is: 7,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.43 : 19,550.12 = 5,241.75 : x
  2. Step 2: Convert to fraction form
    13,040.43/19,550.12 = 5,241.75/x
  3. Step 3: Cross multiply
    13,040.43x = 19,550.12 × 5,241.75
  4. Step 4: Simplify right side
    13,040.43x = 102,476,815.30
  5. Step 5: Solve for x
    x = 102,476,815.30/13,040.43
  6. Step 6: Final answer
    x = 7,858.39

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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.