Home / 13,568.48-20,351.20-3,707.20

Finding the Fourth Proportional to 13,568.48, 20,351.20 and 3,707.20

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Solution

The fourth proportional to 13,568.48, 20,351.20 and 3,707.20 is: 5,560.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.48 : 20,351.20 = 3,707.20 : x
  2. Step 2: Convert to fraction form
    13,568.48/20,351.20 = 3,707.20/x
  3. Step 3: Cross multiply
    13,568.48x = 20,351.20 × 3,707.20
  4. Step 4: Simplify right side
    13,568.48x = 75,445,968.64
  5. Step 5: Solve for x
    x = 75,445,968.64/13,568.48
  6. Step 6: Final answer
    x = 5,560.38

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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.