Home / 20,067.74-27,696.72-13,014.68

Finding the Fourth Proportional to 20,067.74, 27,696.72 and 13,014.68

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Solution

The fourth proportional to 20,067.74, 27,696.72 and 13,014.68 is: 17,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.74 : 27,696.72 = 13,014.68 : x
  2. Step 2: Convert to fraction form
    20,067.74/27,696.72 = 13,014.68/x
  3. Step 3: Cross multiply
    20,067.74x = 27,696.72 × 13,014.68
  4. Step 4: Simplify right side
    20,067.74x = 360,463,947.85
  5. Step 5: Solve for x
    x = 360,463,947.85/20,067.74
  6. Step 6: Final answer
    x = 17,962.36

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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.