Home / 13,704.63-20,540.39-6,674.11

Finding the Fourth Proportional to 13,704.63, 20,540.39 and 6,674.11

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Solution

The fourth proportional to 13,704.63, 20,540.39 and 6,674.11 is: 10,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.63 : 20,540.39 = 6,674.11 : x
  2. Step 2: Convert to fraction form
    13,704.63/20,540.39 = 6,674.11/x
  3. Step 3: Cross multiply
    13,704.63x = 20,540.39 × 6,674.11
  4. Step 4: Simplify right side
    13,704.63x = 137,088,822.30
  5. Step 5: Solve for x
    x = 137,088,822.30/13,704.63
  6. Step 6: Final answer
    x = 10,003.10

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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.