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Finding the Fourth Proportional to 18,544.56, 27,810.28 and 8,014.15

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Solution

The fourth proportional to 18,544.56, 27,810.28 and 8,014.15 is: 12,018.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.56 : 27,810.28 = 8,014.15 : x
  2. Step 2: Convert to fraction form
    18,544.56/27,810.28 = 8,014.15/x
  3. Step 3: Cross multiply
    18,544.56x = 27,810.28 × 8,014.15
  4. Step 4: Simplify right side
    18,544.56x = 222,875,755.46
  5. Step 5: Solve for x
    x = 222,875,755.46/18,544.56
  6. Step 6: Final answer
    x = 12,018.39

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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.