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Finding the Fourth Proportional to 18,149.10, 27,232.29 and 14,261.10

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Solution

The fourth proportional to 18,149.10, 27,232.29 and 14,261.10 is: 21,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.10 : 27,232.29 = 14,261.10 : x
  2. Step 2: Convert to fraction form
    18,149.10/27,232.29 = 14,261.10/x
  3. Step 3: Cross multiply
    18,149.10x = 27,232.29 × 14,261.10
  4. Step 4: Simplify right side
    18,149.10x = 388,362,410.92
  5. Step 5: Solve for x
    x = 388,362,410.92/18,149.10
  6. Step 6: Final answer
    x = 21,398.44

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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.