Home / 20,019.15-27,626.27-11,067.30

Finding the Fourth Proportional to 20,019.15, 27,626.27 and 11,067.30

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Solution

The fourth proportional to 20,019.15, 27,626.27 and 11,067.30 is: 15,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.15 : 27,626.27 = 11,067.30 : x
  2. Step 2: Convert to fraction form
    20,019.15/27,626.27 = 11,067.30/x
  3. Step 3: Cross multiply
    20,019.15x = 27,626.27 × 11,067.30
  4. Step 4: Simplify right side
    20,019.15x = 305,748,162.63
  5. Step 5: Solve for x
    x = 305,748,162.63/20,019.15
  6. Step 6: Final answer
    x = 15,272.78

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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.