Home / 18,785.43-28,173.57-6,302.22

Finding the Fourth Proportional to 18,785.43, 28,173.57 and 6,302.22

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Solution

The fourth proportional to 18,785.43, 28,173.57 and 6,302.22 is: 9,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.43 : 28,173.57 = 6,302.22 : x
  2. Step 2: Convert to fraction form
    18,785.43/28,173.57 = 6,302.22/x
  3. Step 3: Cross multiply
    18,785.43x = 28,173.57 × 6,302.22
  4. Step 4: Simplify right side
    18,785.43x = 177,555,989.52
  5. Step 5: Solve for x
    x = 177,555,989.52/18,785.43
  6. Step 6: Final answer
    x = 9,451.79

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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.