Home / 13,255.03-19,867.96-5,459.59

Finding the Fourth Proportional to 13,255.03, 19,867.96 and 5,459.59

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Solution

The fourth proportional to 13,255.03, 19,867.96 and 5,459.59 is: 8,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.03 : 19,867.96 = 5,459.59 : x
  2. Step 2: Convert to fraction form
    13,255.03/19,867.96 = 5,459.59/x
  3. Step 3: Cross multiply
    13,255.03x = 19,867.96 × 5,459.59
  4. Step 4: Simplify right side
    13,255.03x = 108,470,789.10
  5. Step 5: Solve for x
    x = 108,470,789.10/13,255.03
  6. Step 6: Final answer
    x = 8,183.37

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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.