Home / 11,949.15-17,921.39-11,356.47

Finding the Fourth Proportional to 11,949.15, 17,921.39 and 11,356.47

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Solution

The fourth proportional to 11,949.15, 17,921.39 and 11,356.47 is: 17,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.15 : 17,921.39 = 11,356.47 : x
  2. Step 2: Convert to fraction form
    11,949.15/17,921.39 = 11,356.47/x
  3. Step 3: Cross multiply
    11,949.15x = 17,921.39 × 11,356.47
  4. Step 4: Simplify right side
    11,949.15x = 203,523,671.11
  5. Step 5: Solve for x
    x = 203,523,671.11/11,949.15
  6. Step 6: Final answer
    x = 17,032.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.