Home / 19,874.97-27,451.51-14,488.88

Finding the Fourth Proportional to 19,874.97, 27,451.51 and 14,488.88

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Solution

The fourth proportional to 19,874.97, 27,451.51 and 14,488.88 is: 20,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.97 : 27,451.51 = 14,488.88 : x
  2. Step 2: Convert to fraction form
    19,874.97/27,451.51 = 14,488.88/x
  3. Step 3: Cross multiply
    19,874.97x = 27,451.51 × 14,488.88
  4. Step 4: Simplify right side
    19,874.97x = 397,741,460.73
  5. Step 5: Solve for x
    x = 397,741,460.73/19,874.97
  6. Step 6: Final answer
    x = 20,012.18

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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.