Home / 13,584.19-20,372.34-5,262.35

Finding the Fourth Proportional to 13,584.19, 20,372.34 and 5,262.35

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Solution

The fourth proportional to 13,584.19, 20,372.34 and 5,262.35 is: 7,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.19 : 20,372.34 = 5,262.35 : x
  2. Step 2: Convert to fraction form
    13,584.19/20,372.34 = 5,262.35/x
  3. Step 3: Cross multiply
    13,584.19x = 20,372.34 × 5,262.35
  4. Step 4: Simplify right side
    13,584.19x = 107,206,357.09
  5. Step 5: Solve for x
    x = 107,206,357.09/13,584.19
  6. Step 6: Final answer
    x = 7,891.99

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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.