Home / 13,850.62-20,794.38-11,783.91

Finding the Fourth Proportional to 13,850.62, 20,794.38 and 11,783.91

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Solution

The fourth proportional to 13,850.62, 20,794.38 and 11,783.91 is: 17,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.62 : 20,794.38 = 11,783.91 : x
  2. Step 2: Convert to fraction form
    13,850.62/20,794.38 = 11,783.91/x
  3. Step 3: Cross multiply
    13,850.62x = 20,794.38 × 11,783.91
  4. Step 4: Simplify right side
    13,850.62x = 245,039,102.43
  5. Step 5: Solve for x
    x = 245,039,102.43/13,850.62
  6. Step 6: Final answer
    x = 17,691.56

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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.