Home / 13,365.98-20,033.46-5,040.66

Finding the Fourth Proportional to 13,365.98, 20,033.46 and 5,040.66

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Solution

The fourth proportional to 13,365.98, 20,033.46 and 5,040.66 is: 7,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.98 : 20,033.46 = 5,040.66 : x
  2. Step 2: Convert to fraction form
    13,365.98/20,033.46 = 5,040.66/x
  3. Step 3: Cross multiply
    13,365.98x = 20,033.46 × 5,040.66
  4. Step 4: Simplify right side
    13,365.98x = 100,981,860.48
  5. Step 5: Solve for x
    x = 100,981,860.48/13,365.98
  6. Step 6: Final answer
    x = 7,555.14

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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.