Home / 20,235.01-27,924.41-11,282.89

Finding the Fourth Proportional to 20,235.01, 27,924.41 and 11,282.89

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Solution

The fourth proportional to 20,235.01, 27,924.41 and 11,282.89 is: 15,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.01 : 27,924.41 = 11,282.89 : x
  2. Step 2: Convert to fraction form
    20,235.01/27,924.41 = 11,282.89/x
  3. Step 3: Cross multiply
    20,235.01x = 27,924.41 × 11,282.89
  4. Step 4: Simplify right side
    20,235.01x = 315,067,906.72
  5. Step 5: Solve for x
    x = 315,067,906.72/20,235.01
  6. Step 6: Final answer
    x = 15,570.44

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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.