Home / 18,081.15-27,120.33-5,601.27

Finding the Fourth Proportional to 18,081.15, 27,120.33 and 5,601.27

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Solution

The fourth proportional to 18,081.15, 27,120.33 and 5,601.27 is: 8,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.15 : 27,120.33 = 5,601.27 : x
  2. Step 2: Convert to fraction form
    18,081.15/27,120.33 = 5,601.27/x
  3. Step 3: Cross multiply
    18,081.15x = 27,120.33 × 5,601.27
  4. Step 4: Simplify right side
    18,081.15x = 151,908,290.82
  5. Step 5: Solve for x
    x = 151,908,290.82/18,081.15
  6. Step 6: Final answer
    x = 8,401.47

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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.