Home / 13,207.22-19,812.96-4,319.96

Finding the Fourth Proportional to 13,207.22, 19,812.96 and 4,319.96

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Solution

The fourth proportional to 13,207.22, 19,812.96 and 4,319.96 is: 6,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.22 : 19,812.96 = 4,319.96 : x
  2. Step 2: Convert to fraction form
    13,207.22/19,812.96 = 4,319.96/x
  3. Step 3: Cross multiply
    13,207.22x = 19,812.96 × 4,319.96
  4. Step 4: Simplify right side
    13,207.22x = 85,591,194.68
  5. Step 5: Solve for x
    x = 85,591,194.68/13,207.22
  6. Step 6: Final answer
    x = 6,480.64

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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.