Home / 18,251.58-27,382.23-5,771.91

Finding the Fourth Proportional to 18,251.58, 27,382.23 and 5,771.91

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Solution

The fourth proportional to 18,251.58, 27,382.23 and 5,771.91 is: 8,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.58 : 27,382.23 = 5,771.91 : x
  2. Step 2: Convert to fraction form
    18,251.58/27,382.23 = 5,771.91/x
  3. Step 3: Cross multiply
    18,251.58x = 27,382.23 × 5,771.91
  4. Step 4: Simplify right side
    18,251.58x = 158,047,767.16
  5. Step 5: Solve for x
    x = 158,047,767.16/18,251.58
  6. Step 6: Final answer
    x = 8,659.40

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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.