Home / 18,183.12-27,271.62-5,036.82

Finding the Fourth Proportional to 18,183.12, 27,271.62 and 5,036.82

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Solution

The fourth proportional to 18,183.12, 27,271.62 and 5,036.82 is: 7,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.12 : 27,271.62 = 5,036.82 : x
  2. Step 2: Convert to fraction form
    18,183.12/27,271.62 = 5,036.82/x
  3. Step 3: Cross multiply
    18,183.12x = 27,271.62 × 5,036.82
  4. Step 4: Simplify right side
    18,183.12x = 137,362,241.05
  5. Step 5: Solve for x
    x = 137,362,241.05/18,183.12
  6. Step 6: Final answer
    x = 7,554.38

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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.