Home / 18,571.94-27,820.73-11,172.27

Finding the Fourth Proportional to 18,571.94, 27,820.73 and 11,172.27

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Solution

The fourth proportional to 18,571.94, 27,820.73 and 11,172.27 is: 16,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.94 : 27,820.73 = 11,172.27 : x
  2. Step 2: Convert to fraction form
    18,571.94/27,820.73 = 11,172.27/x
  3. Step 3: Cross multiply
    18,571.94x = 27,820.73 × 11,172.27
  4. Step 4: Simplify right side
    18,571.94x = 310,820,651.30
  5. Step 5: Solve for x
    x = 310,820,651.30/18,571.94
  6. Step 6: Final answer
    x = 16,736.04

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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.