Home / 19,843.43-27,384.27-10,891.77

Finding the Fourth Proportional to 19,843.43, 27,384.27 and 10,891.77

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Solution

The fourth proportional to 19,843.43, 27,384.27 and 10,891.77 is: 15,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.43 : 27,384.27 = 10,891.77 : x
  2. Step 2: Convert to fraction form
    19,843.43/27,384.27 = 10,891.77/x
  3. Step 3: Cross multiply
    19,843.43x = 27,384.27 × 10,891.77
  4. Step 4: Simplify right side
    19,843.43x = 298,263,170.46
  5. Step 5: Solve for x
    x = 298,263,170.46/19,843.43
  6. Step 6: Final answer
    x = 15,030.83

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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.