Home / 19,668.24-27,145.92-11,174.16

Finding the Fourth Proportional to 19,668.24, 27,145.92 and 11,174.16

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Solution

The fourth proportional to 19,668.24, 27,145.92 and 11,174.16 is: 15,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.24 : 27,145.92 = 11,174.16 : x
  2. Step 2: Convert to fraction form
    19,668.24/27,145.92 = 11,174.16/x
  3. Step 3: Cross multiply
    19,668.24x = 27,145.92 × 11,174.16
  4. Step 4: Simplify right side
    19,668.24x = 303,332,853.43
  5. Step 5: Solve for x
    x = 303,332,853.43/19,668.24
  6. Step 6: Final answer
    x = 15,422.47

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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.