Home / 21,083.18-29,093.62-11,651.14

Finding the Fourth Proportional to 21,083.18, 29,093.62 and 11,651.14

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Solution

The fourth proportional to 21,083.18, 29,093.62 and 11,651.14 is: 16,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.18 : 29,093.62 = 11,651.14 : x
  2. Step 2: Convert to fraction form
    21,083.18/29,093.62 = 11,651.14/x
  3. Step 3: Cross multiply
    21,083.18x = 29,093.62 × 11,651.14
  4. Step 4: Simplify right side
    21,083.18x = 338,973,839.73
  5. Step 5: Solve for x
    x = 338,973,839.73/21,083.18
  6. Step 6: Final answer
    x = 16,077.93

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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.