Home / 18,273.35-27,415.62-8,912.04

Finding the Fourth Proportional to 18,273.35, 27,415.62 and 8,912.04

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Solution

The fourth proportional to 18,273.35, 27,415.62 and 8,912.04 is: 13,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.35 : 27,415.62 = 8,912.04 : x
  2. Step 2: Convert to fraction form
    18,273.35/27,415.62 = 8,912.04/x
  3. Step 3: Cross multiply
    18,273.35x = 27,415.62 × 8,912.04
  4. Step 4: Simplify right side
    18,273.35x = 244,329,102.06
  5. Step 5: Solve for x
    x = 244,329,102.06/18,273.35
  6. Step 6: Final answer
    x = 13,370.79

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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.