Home / 18,181.19-27,271.82-5,701.55

Finding the Fourth Proportional to 18,181.19, 27,271.82 and 5,701.55

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Solution

The fourth proportional to 18,181.19, 27,271.82 and 5,701.55 is: 8,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.19 : 27,271.82 = 5,701.55 : x
  2. Step 2: Convert to fraction form
    18,181.19/27,271.82 = 5,701.55/x
  3. Step 3: Cross multiply
    18,181.19x = 27,271.82 × 5,701.55
  4. Step 4: Simplify right side
    18,181.19x = 155,491,523.22
  5. Step 5: Solve for x
    x = 155,491,523.22/18,181.19
  6. Step 6: Final answer
    x = 8,552.33

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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.