Home / 13,704.29-20,556.43-4,937.15

Finding the Fourth Proportional to 13,704.29, 20,556.43 and 4,937.15

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Solution

The fourth proportional to 13,704.29, 20,556.43 and 4,937.15 is: 7,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.29 : 20,556.43 = 4,937.15 : x
  2. Step 2: Convert to fraction form
    13,704.29/20,556.43 = 4,937.15/x
  3. Step 3: Cross multiply
    13,704.29x = 20,556.43 × 4,937.15
  4. Step 4: Simplify right side
    13,704.29x = 101,490,245.19
  5. Step 5: Solve for x
    x = 101,490,245.19/13,704.29
  6. Step 6: Final answer
    x = 7,405.73

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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.