Home / 18,015.48-27,023.83-4,867.97

Finding the Fourth Proportional to 18,015.48, 27,023.83 and 4,867.97

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Solution

The fourth proportional to 18,015.48, 27,023.83 and 4,867.97 is: 7,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.48 : 27,023.83 = 4,867.97 : x
  2. Step 2: Convert to fraction form
    18,015.48/27,023.83 = 4,867.97/x
  3. Step 3: Cross multiply
    18,015.48x = 27,023.83 × 4,867.97
  4. Step 4: Simplify right side
    18,015.48x = 131,551,046.44
  5. Step 5: Solve for x
    x = 131,551,046.44/18,015.48
  6. Step 6: Final answer
    x = 7,302.11

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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.