Home / 21,194.57-29,249.40-11,763.14

Finding the Fourth Proportional to 21,194.57, 29,249.40 and 11,763.14

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Solution

The fourth proportional to 21,194.57, 29,249.40 and 11,763.14 is: 16,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.57 : 29,249.40 = 11,763.14 : x
  2. Step 2: Convert to fraction form
    21,194.57/29,249.40 = 11,763.14/x
  3. Step 3: Cross multiply
    21,194.57x = 29,249.40 × 11,763.14
  4. Step 4: Simplify right side
    21,194.57x = 344,064,787.12
  5. Step 5: Solve for x
    x = 344,064,787.12/21,194.57
  6. Step 6: Final answer
    x = 16,233.63

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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.