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Finding the Fourth Proportional to 18,036.98, 27,109.08 and 14,936.91

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Solution

The fourth proportional to 18,036.98, 27,109.08 and 14,936.91 is: 22,449.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.98 : 27,109.08 = 14,936.91 : x
  2. Step 2: Convert to fraction form
    18,036.98/27,109.08 = 14,936.91/x
  3. Step 3: Cross multiply
    18,036.98x = 27,109.08 × 14,936.91
  4. Step 4: Simplify right side
    18,036.98x = 404,925,786.48
  5. Step 5: Solve for x
    x = 404,925,786.48/18,036.98
  6. Step 6: Final answer
    x = 22,449.76

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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.