Home / 15,896.22-21,936.51-8,822.94

Finding the Fourth Proportional to 15,896.22, 21,936.51 and 8,822.94

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Solution

The fourth proportional to 15,896.22, 21,936.51 and 8,822.94 is: 12,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.22 : 21,936.51 = 8,822.94 : x
  2. Step 2: Convert to fraction form
    15,896.22/21,936.51 = 8,822.94/x
  3. Step 3: Cross multiply
    15,896.22x = 21,936.51 × 8,822.94
  4. Step 4: Simplify right side
    15,896.22x = 193,544,511.54
  5. Step 5: Solve for x
    x = 193,544,511.54/15,896.22
  6. Step 6: Final answer
    x = 12,175.51

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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.