Home / 18,015.58-27,016.44-12,452.06

Finding the Fourth Proportional to 18,015.58, 27,016.44 and 12,452.06

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Solution

The fourth proportional to 18,015.58, 27,016.44 and 12,452.06 is: 18,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.58 : 27,016.44 = 12,452.06 : x
  2. Step 2: Convert to fraction form
    18,015.58/27,016.44 = 12,452.06/x
  3. Step 3: Cross multiply
    18,015.58x = 27,016.44 × 12,452.06
  4. Step 4: Simplify right side
    18,015.58x = 336,410,331.87
  5. Step 5: Solve for x
    x = 336,410,331.87/18,015.58
  6. Step 6: Final answer
    x = 18,673.30

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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.