Home / 25,414.08-38,109.60-13,709.76

Finding the Fourth Proportional to 25,414.08, 38,109.60 and 13,709.76

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Solution

The fourth proportional to 25,414.08, 38,109.60 and 13,709.76 is: 20,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414.08 : 38,109.60 = 13,709.76 : x
  2. Step 2: Convert to fraction form
    25,414.08/38,109.60 = 13,709.76/x
  3. Step 3: Cross multiply
    25,414.08x = 38,109.60 × 13,709.76
  4. Step 4: Simplify right side
    25,414.08x = 522,473,469.70
  5. Step 5: Solve for x
    x = 522,473,469.70/25,414.08
  6. Step 6: Final answer
    x = 20,558.43

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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.