Home / 19,986.94-27,584.31-16,623.82

Finding the Fourth Proportional to 19,986.94, 27,584.31 and 16,623.82

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Solution

The fourth proportional to 19,986.94, 27,584.31 and 16,623.82 is: 22,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.94 : 27,584.31 = 16,623.82 : x
  2. Step 2: Convert to fraction form
    19,986.94/27,584.31 = 16,623.82/x
  3. Step 3: Cross multiply
    19,986.94x = 27,584.31 × 16,623.82
  4. Step 4: Simplify right side
    19,986.94x = 458,556,604.26
  5. Step 5: Solve for x
    x = 458,556,604.26/19,986.94
  6. Step 6: Final answer
    x = 22,942.81

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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.