Home / 18,078.84-27,118.89-5,597.73

Finding the Fourth Proportional to 18,078.84, 27,118.89 and 5,597.73

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Solution

The fourth proportional to 18,078.84, 27,118.89 and 5,597.73 is: 8,396.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.84 : 27,118.89 = 5,597.73 : x
  2. Step 2: Convert to fraction form
    18,078.84/27,118.89 = 5,597.73/x
  3. Step 3: Cross multiply
    18,078.84x = 27,118.89 × 5,597.73
  4. Step 4: Simplify right side
    18,078.84x = 151,804,224.12
  5. Step 5: Solve for x
    x = 151,804,224.12/18,078.84
  6. Step 6: Final answer
    x = 8,396.79

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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.