Home / 20,554.83-30,813.79-17,067.25

Finding the Fourth Proportional to 20,554.83, 30,813.79 and 17,067.25

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Solution

The fourth proportional to 20,554.83, 30,813.79 and 17,067.25 is: 25,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.83 : 30,813.79 = 17,067.25 : x
  2. Step 2: Convert to fraction form
    20,554.83/30,813.79 = 17,067.25/x
  3. Step 3: Cross multiply
    20,554.83x = 30,813.79 × 17,067.25
  4. Step 4: Simplify right side
    20,554.83x = 525,906,657.38
  5. Step 5: Solve for x
    x = 525,906,657.38/20,554.83
  6. Step 6: Final answer
    x = 25,585.55

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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.