Home / 21,063.44-29,067.36-11,631.92

Finding the Fourth Proportional to 21,063.44, 29,067.36 and 11,631.92

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Solution

The fourth proportional to 21,063.44, 29,067.36 and 11,631.92 is: 16,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.44 : 29,067.36 = 11,631.92 : x
  2. Step 2: Convert to fraction form
    21,063.44/29,067.36 = 11,631.92/x
  3. Step 3: Cross multiply
    21,063.44x = 29,067.36 × 11,631.92
  4. Step 4: Simplify right side
    21,063.44x = 338,109,206.13
  5. Step 5: Solve for x
    x = 338,109,206.13/21,063.44
  6. Step 6: Final answer
    x = 16,051.95

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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.