Home / 13,832.76-20,745.98-3,971.96

Finding the Fourth Proportional to 13,832.76, 20,745.98 and 3,971.96

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Solution

The fourth proportional to 13,832.76, 20,745.98 and 3,971.96 is: 5,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.76 : 20,745.98 = 3,971.96 : x
  2. Step 2: Convert to fraction form
    13,832.76/20,745.98 = 3,971.96/x
  3. Step 3: Cross multiply
    13,832.76x = 20,745.98 × 3,971.96
  4. Step 4: Simplify right side
    13,832.76x = 82,402,202.72
  5. Step 5: Solve for x
    x = 82,402,202.72/13,832.76
  6. Step 6: Final answer
    x = 5,957.03

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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.