Home / 25,865.88-38,775.70-11,067.18

Finding the Fourth Proportional to 25,865.88, 38,775.70 and 11,067.18

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Solution

The fourth proportional to 25,865.88, 38,775.70 and 11,067.18 is: 16,590.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,865.88 : 38,775.70 = 11,067.18 : x
  2. Step 2: Convert to fraction form
    25,865.88/38,775.70 = 11,067.18/x
  3. Step 3: Cross multiply
    25,865.88x = 38,775.70 × 11,067.18
  4. Step 4: Simplify right side
    25,865.88x = 429,137,651.53
  5. Step 5: Solve for x
    x = 429,137,651.53/25,865.88
  6. Step 6: Final answer
    x = 16,590.88

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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.