Home / 13,424.52-20,134.44-3,564.30

Finding the Fourth Proportional to 13,424.52, 20,134.44 and 3,564.30

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Solution

The fourth proportional to 13,424.52, 20,134.44 and 3,564.30 is: 5,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.52 : 20,134.44 = 3,564.30 : x
  2. Step 2: Convert to fraction form
    13,424.52/20,134.44 = 3,564.30/x
  3. Step 3: Cross multiply
    13,424.52x = 20,134.44 × 3,564.30
  4. Step 4: Simplify right side
    13,424.52x = 71,765,184.49
  5. Step 5: Solve for x
    x = 71,765,184.49/13,424.52
  6. Step 6: Final answer
    x = 5,345.83

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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.