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Finding the Fourth Proportional to 18,600.36, 27,914.22 and 13,683.48

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Solution

The fourth proportional to 18,600.36, 27,914.22 and 13,683.48 is: 20,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.36 : 27,914.22 = 13,683.48 : x
  2. Step 2: Convert to fraction form
    18,600.36/27,914.22 = 13,683.48/x
  3. Step 3: Cross multiply
    18,600.36x = 27,914.22 × 13,683.48
  4. Step 4: Simplify right side
    18,600.36x = 381,963,671.09
  5. Step 5: Solve for x
    x = 381,963,671.09/18,600.36
  6. Step 6: Final answer
    x = 20,535.28

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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.