Home / 13,418.46-20,107.17-5,623.02

Finding the Fourth Proportional to 13,418.46, 20,107.17 and 5,623.02

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Solution

The fourth proportional to 13,418.46, 20,107.17 and 5,623.02 is: 8,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418.46 : 20,107.17 = 5,623.02 : x
  2. Step 2: Convert to fraction form
    13,418.46/20,107.17 = 5,623.02/x
  3. Step 3: Cross multiply
    13,418.46x = 20,107.17 × 5,623.02
  4. Step 4: Simplify right side
    13,418.46x = 113,063,019.05
  5. Step 5: Solve for x
    x = 113,063,019.05/13,418.46
  6. Step 6: Final answer
    x = 8,425.93

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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.