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Finding the Fourth Proportional to 18,014.25, 27,021.36 and 10,014.12

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Solution

The fourth proportional to 18,014.25, 27,021.36 and 10,014.12 is: 15,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.25 : 27,021.36 = 10,014.12 : x
  2. Step 2: Convert to fraction form
    18,014.25/27,021.36 = 10,014.12/x
  3. Step 3: Cross multiply
    18,014.25x = 27,021.36 × 10,014.12
  4. Step 4: Simplify right side
    18,014.25x = 270,595,141.60
  5. Step 5: Solve for x
    x = 270,595,141.60/18,014.25
  6. Step 6: Final answer
    x = 15,021.17

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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.