Home / 13,074.38-19,620.68-5,283.26

Finding the Fourth Proportional to 13,074.38, 19,620.68 and 5,283.26

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Solution

The fourth proportional to 13,074.38, 19,620.68 and 5,283.26 is: 7,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.38 : 19,620.68 = 5,283.26 : x
  2. Step 2: Convert to fraction form
    13,074.38/19,620.68 = 5,283.26/x
  3. Step 3: Cross multiply
    13,074.38x = 19,620.68 × 5,283.26
  4. Step 4: Simplify right side
    13,074.38x = 103,661,029.30
  5. Step 5: Solve for x
    x = 103,661,029.30/13,074.38
  6. Step 6: Final answer
    x = 7,928.56

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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.