Home / 19,850.57-27,394.22-11,353.47

Finding the Fourth Proportional to 19,850.57, 27,394.22 and 11,353.47

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Solution

The fourth proportional to 19,850.57, 27,394.22 and 11,353.47 is: 15,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.57 : 27,394.22 = 11,353.47 : x
  2. Step 2: Convert to fraction form
    19,850.57/27,394.22 = 11,353.47/x
  3. Step 3: Cross multiply
    19,850.57x = 27,394.22 × 11,353.47
  4. Step 4: Simplify right side
    19,850.57x = 311,019,398.18
  5. Step 5: Solve for x
    x = 311,019,398.18/19,850.57
  6. Step 6: Final answer
    x = 15,668.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.