Home / 19,613.84-27,067.57-10,661.83

Finding the Fourth Proportional to 19,613.84, 27,067.57 and 10,661.83

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Solution

The fourth proportional to 19,613.84, 27,067.57 and 10,661.83 is: 14,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.84 : 27,067.57 = 10,661.83 : x
  2. Step 2: Convert to fraction form
    19,613.84/27,067.57 = 10,661.83/x
  3. Step 3: Cross multiply
    19,613.84x = 27,067.57 × 10,661.83
  4. Step 4: Simplify right side
    19,613.84x = 288,589,735.53
  5. Step 5: Solve for x
    x = 288,589,735.53/19,613.84
  6. Step 6: Final answer
    x = 14,713.58

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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.