Home / 13,207.60-19,811.43-3,346.88

Finding the Fourth Proportional to 13,207.60, 19,811.43 and 3,346.88

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Solution

The fourth proportional to 13,207.60, 19,811.43 and 3,346.88 is: 5,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.60 : 19,811.43 = 3,346.88 : x
  2. Step 2: Convert to fraction form
    13,207.60/19,811.43 = 3,346.88/x
  3. Step 3: Cross multiply
    13,207.60x = 19,811.43 × 3,346.88
  4. Step 4: Simplify right side
    13,207.60x = 66,306,462.10
  5. Step 5: Solve for x
    x = 66,306,462.10/13,207.60
  6. Step 6: Final answer
    x = 5,020.33

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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.