Home / 13,486.24-20,229.36-8,868.16

Finding the Fourth Proportional to 13,486.24, 20,229.36 and 8,868.16

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Solution

The fourth proportional to 13,486.24, 20,229.36 and 8,868.16 is: 13,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.24 : 20,229.36 = 8,868.16 : x
  2. Step 2: Convert to fraction form
    13,486.24/20,229.36 = 8,868.16/x
  3. Step 3: Cross multiply
    13,486.24x = 20,229.36 × 8,868.16
  4. Step 4: Simplify right side
    13,486.24x = 179,397,201.18
  5. Step 5: Solve for x
    x = 179,397,201.18/13,486.24
  6. Step 6: Final answer
    x = 13,302.24

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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.