Home / 18,664.56-27,997.38-6,975.54

Finding the Fourth Proportional to 18,664.56, 27,997.38 and 6,975.54

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Solution

The fourth proportional to 18,664.56, 27,997.38 and 6,975.54 is: 10,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.56 : 27,997.38 = 6,975.54 : x
  2. Step 2: Convert to fraction form
    18,664.56/27,997.38 = 6,975.54/x
  3. Step 3: Cross multiply
    18,664.56x = 27,997.38 × 6,975.54
  4. Step 4: Simplify right side
    18,664.56x = 195,296,844.09
  5. Step 5: Solve for x
    x = 195,296,844.09/18,664.56
  6. Step 6: Final answer
    x = 10,463.51

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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.