Home / 19,613.38-27,066.24-11,114.86

Finding the Fourth Proportional to 19,613.38, 27,066.24 and 11,114.86

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Solution

The fourth proportional to 19,613.38, 27,066.24 and 11,114.86 is: 15,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.38 : 27,066.24 = 11,114.86 : x
  2. Step 2: Convert to fraction form
    19,613.38/27,066.24 = 11,114.86/x
  3. Step 3: Cross multiply
    19,613.38x = 27,066.24 × 11,114.86
  4. Step 4: Simplify right side
    19,613.38x = 300,837,468.33
  5. Step 5: Solve for x
    x = 300,837,468.33/19,613.38
  6. Step 6: Final answer
    x = 15,338.38

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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.