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Finding the Fourth Proportional to 18,572.94, 27,822.22 and 11,173.27

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Solution

The fourth proportional to 18,572.94, 27,822.22 and 11,173.27 is: 16,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.94 : 27,822.22 = 11,173.27 : x
  2. Step 2: Convert to fraction form
    18,572.94/27,822.22 = 11,173.27/x
  3. Step 3: Cross multiply
    18,572.94x = 27,822.22 × 11,173.27
  4. Step 4: Simplify right side
    18,572.94x = 310,865,176.06
  5. Step 5: Solve for x
    x = 310,865,176.06/18,572.94
  6. Step 6: Final answer
    x = 16,737.53

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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.