Home / 19,072.46-28,589.25-13,512.62

Finding the Fourth Proportional to 19,072.46, 28,589.25 and 13,512.62

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Solution

The fourth proportional to 19,072.46, 28,589.25 and 13,512.62 is: 20,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.46 : 28,589.25 = 13,512.62 : x
  2. Step 2: Convert to fraction form
    19,072.46/28,589.25 = 13,512.62/x
  3. Step 3: Cross multiply
    19,072.46x = 28,589.25 × 13,512.62
  4. Step 4: Simplify right side
    19,072.46x = 386,315,793.48
  5. Step 5: Solve for x
    x = 386,315,793.48/19,072.46
  6. Step 6: Final answer
    x = 20,255.16

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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.