Home / 18,882.89-28,324.43-5,735.38

Finding the Fourth Proportional to 18,882.89, 28,324.43 and 5,735.38

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Solution

The fourth proportional to 18,882.89, 28,324.43 and 5,735.38 is: 8,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.89 : 28,324.43 = 5,735.38 : x
  2. Step 2: Convert to fraction form
    18,882.89/28,324.43 = 5,735.38/x
  3. Step 3: Cross multiply
    18,882.89x = 28,324.43 × 5,735.38
  4. Step 4: Simplify right side
    18,882.89x = 162,451,369.33
  5. Step 5: Solve for x
    x = 162,451,369.33/18,882.89
  6. Step 6: Final answer
    x = 8,603.10

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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.