Home / 18,050.76-27,076.55-5,571.09

Finding the Fourth Proportional to 18,050.76, 27,076.55 and 5,571.09

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Solution

The fourth proportional to 18,050.76, 27,076.55 and 5,571.09 is: 8,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050.76 : 27,076.55 = 5,571.09 : x
  2. Step 2: Convert to fraction form
    18,050.76/27,076.55 = 5,571.09/x
  3. Step 3: Cross multiply
    18,050.76x = 27,076.55 × 5,571.09
  4. Step 4: Simplify right side
    18,050.76x = 150,845,869.08
  5. Step 5: Solve for x
    x = 150,845,869.08/18,050.76
  6. Step 6: Final answer
    x = 8,356.76

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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.