Home / 18,076.92-27,115.21-4,929.27

Finding the Fourth Proportional to 18,076.92, 27,115.21 and 4,929.27

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Solution

The fourth proportional to 18,076.92, 27,115.21 and 4,929.27 is: 7,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.92 : 27,115.21 = 4,929.27 : x
  2. Step 2: Convert to fraction form
    18,076.92/27,115.21 = 4,929.27/x
  3. Step 3: Cross multiply
    18,076.92x = 27,115.21 × 4,929.27
  4. Step 4: Simplify right side
    18,076.92x = 133,658,191.20
  5. Step 5: Solve for x
    x = 133,658,191.20/18,076.92
  6. Step 6: Final answer
    x = 7,393.86

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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.