Home / 13,757.34-20,633.38-3,894.24

Finding the Fourth Proportional to 13,757.34, 20,633.38 and 3,894.24

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Solution

The fourth proportional to 13,757.34, 20,633.38 and 3,894.24 is: 5,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.34 : 20,633.38 = 3,894.24 : x
  2. Step 2: Convert to fraction form
    13,757.34/20,633.38 = 3,894.24/x
  3. Step 3: Cross multiply
    13,757.34x = 20,633.38 × 3,894.24
  4. Step 4: Simplify right side
    13,757.34x = 80,351,333.73
  5. Step 5: Solve for x
    x = 80,351,333.73/13,757.34
  6. Step 6: Final answer
    x = 5,840.62

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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.