Home / 18,631.44-27,949.94-6,152.79

Finding the Fourth Proportional to 18,631.44, 27,949.94 and 6,152.79

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Solution

The fourth proportional to 18,631.44, 27,949.94 and 6,152.79 is: 9,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.44 : 27,949.94 = 6,152.79 : x
  2. Step 2: Convert to fraction form
    18,631.44/27,949.94 = 6,152.79/x
  3. Step 3: Cross multiply
    18,631.44x = 27,949.94 × 6,152.79
  4. Step 4: Simplify right side
    18,631.44x = 171,970,111.33
  5. Step 5: Solve for x
    x = 171,970,111.33/18,631.44
  6. Step 6: Final answer
    x = 9,230.10

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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.