Home / 13,431.41-20,131.44-9,868.37

Finding the Fourth Proportional to 13,431.41, 20,131.44 and 9,868.37

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Solution

The fourth proportional to 13,431.41, 20,131.44 and 9,868.37 is: 14,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431.41 : 20,131.44 = 9,868.37 : x
  2. Step 2: Convert to fraction form
    13,431.41/20,131.44 = 9,868.37/x
  3. Step 3: Cross multiply
    13,431.41x = 20,131.44 × 9,868.37
  4. Step 4: Simplify right side
    13,431.41x = 198,664,498.55
  5. Step 5: Solve for x
    x = 198,664,498.55/13,431.41
  6. Step 6: Final answer
    x = 14,791.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.