Home / 20,180.26-27,849.66-16,817.44

Finding the Fourth Proportional to 20,180.26, 27,849.66 and 16,817.44

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Solution

The fourth proportional to 20,180.26, 27,849.66 and 16,817.44 is: 23,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.26 : 27,849.66 = 16,817.44 : x
  2. Step 2: Convert to fraction form
    20,180.26/27,849.66 = 16,817.44/x
  3. Step 3: Cross multiply
    20,180.26x = 27,849.66 × 16,817.44
  4. Step 4: Simplify right side
    20,180.26x = 468,359,986.07
  5. Step 5: Solve for x
    x = 468,359,986.07/20,180.26
  6. Step 6: Final answer
    x = 23,208.82

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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.