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Finding the Fourth Proportional to 18,598.82, 27,865.40 and 9,814.36

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Solution

The fourth proportional to 18,598.82, 27,865.40 and 9,814.36 is: 14,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.82 : 27,865.40 = 9,814.36 : x
  2. Step 2: Convert to fraction form
    18,598.82/27,865.40 = 9,814.36/x
  3. Step 3: Cross multiply
    18,598.82x = 27,865.40 × 9,814.36
  4. Step 4: Simplify right side
    18,598.82x = 273,481,067.14
  5. Step 5: Solve for x
    x = 273,481,067.14/18,598.82
  6. Step 6: Final answer
    x = 14,704.22

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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.