Home / 13,207.60-19,812.11-3,346.96

Finding the Fourth Proportional to 13,207.60, 19,812.11 and 3,346.96

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Solution

The fourth proportional to 13,207.60, 19,812.11 and 3,346.96 is: 5,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.60 : 19,812.11 = 3,346.96 : x
  2. Step 2: Convert to fraction form
    13,207.60/19,812.11 = 3,346.96/x
  3. Step 3: Cross multiply
    13,207.60x = 19,812.11 × 3,346.96
  4. Step 4: Simplify right side
    13,207.60x = 66,310,339.69
  5. Step 5: Solve for x
    x = 66,310,339.69/13,207.60
  6. Step 6: Final answer
    x = 5,020.62

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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.