Home / 20,032.06-27,643.13-11,078.97

Finding the Fourth Proportional to 20,032.06, 27,643.13 and 11,078.97

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Solution

The fourth proportional to 20,032.06, 27,643.13 and 11,078.97 is: 15,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.06 : 27,643.13 = 11,078.97 : x
  2. Step 2: Convert to fraction form
    20,032.06/27,643.13 = 11,078.97/x
  3. Step 3: Cross multiply
    20,032.06x = 27,643.13 × 11,078.97
  4. Step 4: Simplify right side
    20,032.06x = 306,257,214.37
  5. Step 5: Solve for x
    x = 306,257,214.37/20,032.06
  6. Step 6: Final answer
    x = 15,288.36

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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.