Home / 13,704.13-20,556.20-4,344.18

Finding the Fourth Proportional to 13,704.13, 20,556.20 and 4,344.18

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Solution

The fourth proportional to 13,704.13, 20,556.20 and 4,344.18 is: 6,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.13 : 20,556.20 = 4,344.18 : x
  2. Step 2: Convert to fraction form
    13,704.13/20,556.20 = 4,344.18/x
  3. Step 3: Cross multiply
    13,704.13x = 20,556.20 × 4,344.18
  4. Step 4: Simplify right side
    13,704.13x = 89,299,832.92
  5. Step 5: Solve for x
    x = 89,299,832.92/13,704.13
  6. Step 6: Final answer
    x = 6,516.27

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Similar ratio
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1.5x scale

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.