Home / 20,026.88-27,637.74-11,074.68

Finding the Fourth Proportional to 20,026.88, 27,637.74 and 11,074.68

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Solution

The fourth proportional to 20,026.88, 27,637.74 and 11,074.68 is: 15,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.88 : 27,637.74 = 11,074.68 : x
  2. Step 2: Convert to fraction form
    20,026.88/27,637.74 = 11,074.68/x
  3. Step 3: Cross multiply
    20,026.88x = 27,637.74 × 11,074.68
  4. Step 4: Simplify right side
    20,026.88x = 306,079,126.42
  5. Step 5: Solve for x
    x = 306,079,126.42/20,026.88
  6. Step 6: Final answer
    x = 15,283.42

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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.