Home / 18,151.41-27,190.66-8,277.10

Finding the Fourth Proportional to 18,151.41, 27,190.66 and 8,277.10

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Solution

The fourth proportional to 18,151.41, 27,190.66 and 8,277.10 is: 12,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.41 : 27,190.66 = 8,277.10 : x
  2. Step 2: Convert to fraction form
    18,151.41/27,190.66 = 8,277.10/x
  3. Step 3: Cross multiply
    18,151.41x = 27,190.66 × 8,277.10
  4. Step 4: Simplify right side
    18,151.41x = 225,059,811.89
  5. Step 5: Solve for x
    x = 225,059,811.89/18,151.41
  6. Step 6: Final answer
    x = 12,399.03

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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.