Home / 19,957.09-27,540.97-11,004.92

Finding the Fourth Proportional to 19,957.09, 27,540.97 and 11,004.92

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Solution

The fourth proportional to 19,957.09, 27,540.97 and 11,004.92 is: 15,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.09 : 27,540.97 = 11,004.92 : x
  2. Step 2: Convert to fraction form
    19,957.09/27,540.97 = 11,004.92/x
  3. Step 3: Cross multiply
    19,957.09x = 27,540.97 × 11,004.92
  4. Step 4: Simplify right side
    19,957.09x = 303,086,171.57
  5. Step 5: Solve for x
    x = 303,086,171.57/19,957.09
  6. Step 6: Final answer
    x = 15,186.89

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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.