Home / 13,382.48-20,072.14-3,522.52

Finding the Fourth Proportional to 13,382.48, 20,072.14 and 3,522.52

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Solution

The fourth proportional to 13,382.48, 20,072.14 and 3,522.52 is: 5,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.48 : 20,072.14 = 3,522.52 : x
  2. Step 2: Convert to fraction form
    13,382.48/20,072.14 = 3,522.52/x
  3. Step 3: Cross multiply
    13,382.48x = 20,072.14 × 3,522.52
  4. Step 4: Simplify right side
    13,382.48x = 70,704,514.59
  5. Step 5: Solve for x
    x = 70,704,514.59/13,382.48
  6. Step 6: Final answer
    x = 5,283.36

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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.