Home / 21,627.26-29,845.62-11,691.26

Finding the Fourth Proportional to 21,627.26, 29,845.62 and 11,691.26

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Solution

The fourth proportional to 21,627.26, 29,845.62 and 11,691.26 is: 16,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.26 : 29,845.62 = 11,691.26 : x
  2. Step 2: Convert to fraction form
    21,627.26/29,845.62 = 11,691.26/x
  3. Step 3: Cross multiply
    21,627.26x = 29,845.62 × 11,691.26
  4. Step 4: Simplify right side
    21,627.26x = 348,932,903.28
  5. Step 5: Solve for x
    x = 348,932,903.28/21,627.26
  6. Step 6: Final answer
    x = 16,133.94

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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.