Home / 20,027.92-27,637.42-11,074.88

Finding the Fourth Proportional to 20,027.92, 27,637.42 and 11,074.88

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Solution

The fourth proportional to 20,027.92, 27,637.42 and 11,074.88 is: 15,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.92 : 27,637.42 = 11,074.88 : x
  2. Step 2: Convert to fraction form
    20,027.92/27,637.42 = 11,074.88/x
  3. Step 3: Cross multiply
    20,027.92x = 27,637.42 × 11,074.88
  4. Step 4: Simplify right side
    20,027.92x = 306,081,110.01
  5. Step 5: Solve for x
    x = 306,081,110.01/20,027.92
  6. Step 6: Final answer
    x = 15,282.72

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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.