Home / 13,634.97-20,452.89-3,774.33

Finding the Fourth Proportional to 13,634.97, 20,452.89 and 3,774.33

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Solution

The fourth proportional to 13,634.97, 20,452.89 and 3,774.33 is: 5,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.97 : 20,452.89 = 3,774.33 : x
  2. Step 2: Convert to fraction form
    13,634.97/20,452.89 = 3,774.33/x
  3. Step 3: Cross multiply
    13,634.97x = 20,452.89 × 3,774.33
  4. Step 4: Simplify right side
    13,634.97x = 77,195,956.31
  5. Step 5: Solve for x
    x = 77,195,956.31/13,634.97
  6. Step 6: Final answer
    x = 5,661.62

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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.