Home / 19,963.36-27,550.92-11,581.12

Finding the Fourth Proportional to 19,963.36, 27,550.92 and 11,581.12

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Solution

The fourth proportional to 19,963.36, 27,550.92 and 11,581.12 is: 15,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.36 : 27,550.92 = 11,581.12 : x
  2. Step 2: Convert to fraction form
    19,963.36/27,550.92 = 11,581.12/x
  3. Step 3: Cross multiply
    19,963.36x = 27,550.92 × 11,581.12
  4. Step 4: Simplify right side
    19,963.36x = 319,070,510.63
  5. Step 5: Solve for x
    x = 319,070,510.63/19,963.36
  6. Step 6: Final answer
    x = 15,982.81

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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.