Home / 25,414.20-38,121.30-16,556.85

Finding the Fourth Proportional to 25,414.20, 38,121.30 and 16,556.85

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Solution

The fourth proportional to 25,414.20, 38,121.30 and 16,556.85 is: 24,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414.20 : 38,121.30 = 16,556.85 : x
  2. Step 2: Convert to fraction form
    25,414.20/38,121.30 = 16,556.85/x
  3. Step 3: Cross multiply
    25,414.20x = 38,121.30 × 16,556.85
  4. Step 4: Simplify right side
    25,414.20x = 631,168,645.91
  5. Step 5: Solve for x
    x = 631,168,645.91/25,414.20
  6. Step 6: Final answer
    x = 24,835.28

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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.