Home / 21,063.84-29,067.90-11,632.20

Finding the Fourth Proportional to 21,063.84, 29,067.90 and 11,632.20

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Solution

The fourth proportional to 21,063.84, 29,067.90 and 11,632.20 is: 16,052.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.84 : 29,067.90 = 11,632.20 : x
  2. Step 2: Convert to fraction form
    21,063.84/29,067.90 = 11,632.20/x
  3. Step 3: Cross multiply
    21,063.84x = 29,067.90 × 11,632.20
  4. Step 4: Simplify right side
    21,063.84x = 338,123,626.38
  5. Step 5: Solve for x
    x = 338,123,626.38/21,063.84
  6. Step 6: Final answer
    x = 16,052.33

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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.