Home / 20,026.87-27,637.26-11,074.97

Finding the Fourth Proportional to 20,026.87, 27,637.26 and 11,074.97

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Solution

The fourth proportional to 20,026.87, 27,637.26 and 11,074.97 is: 15,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.87 : 27,637.26 = 11,074.97 : x
  2. Step 2: Convert to fraction form
    20,026.87/27,637.26 = 11,074.97/x
  3. Step 3: Cross multiply
    20,026.87x = 27,637.26 × 11,074.97
  4. Step 4: Simplify right side
    20,026.87x = 306,081,852.94
  5. Step 5: Solve for x
    x = 306,081,852.94/20,026.87
  6. Step 6: Final answer
    x = 15,283.56

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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.