Home / 38,181.14-57,257.98-13,214.40

Finding the Fourth Proportional to 38,181.14, 57,257.98 and 13,214.40

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Solution

The fourth proportional to 38,181.14, 57,257.98 and 13,214.40 is: 19,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.14 : 57,257.98 = 13,214.40 : x
  2. Step 2: Convert to fraction form
    38,181.14/57,257.98 = 13,214.40/x
  3. Step 3: Cross multiply
    38,181.14x = 57,257.98 × 13,214.40
  4. Step 4: Simplify right side
    38,181.14x = 756,629,850.91
  5. Step 5: Solve for x
    x = 756,629,850.91/38,181.14
  6. Step 6: Final answer
    x = 19,816.85

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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.