Home / 20,067.14-27,690.03-11,569.58

Finding the Fourth Proportional to 20,067.14, 27,690.03 and 11,569.58

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Solution

The fourth proportional to 20,067.14, 27,690.03 and 11,569.58 is: 15,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.14 : 27,690.03 = 11,569.58 : x
  2. Step 2: Convert to fraction form
    20,067.14/27,690.03 = 11,569.58/x
  3. Step 3: Cross multiply
    20,067.14x = 27,690.03 × 11,569.58
  4. Step 4: Simplify right side
    20,067.14x = 320,362,017.29
  5. Step 5: Solve for x
    x = 320,362,017.29/20,067.14
  6. Step 6: Final answer
    x = 15,964.51

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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.