Home / 23,813.96-32,788.42-20,221.38

Finding the Fourth Proportional to 23,813.96, 32,788.42 and 20,221.38

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Solution

The fourth proportional to 23,813.96, 32,788.42 and 20,221.38 is: 27,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,813.96 : 32,788.42 = 20,221.38 : x
  2. Step 2: Convert to fraction form
    23,813.96/32,788.42 = 20,221.38/x
  3. Step 3: Cross multiply
    23,813.96x = 32,788.42 × 20,221.38
  4. Step 4: Simplify right side
    23,813.96x = 663,027,049.87
  5. Step 5: Solve for x
    x = 663,027,049.87/23,813.96
  6. Step 6: Final answer
    x = 27,841.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.