Home / 15,896.07-21,936.92-8,822.25

Finding the Fourth Proportional to 15,896.07, 21,936.92 and 8,822.25

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Solution

The fourth proportional to 15,896.07, 21,936.92 and 8,822.25 is: 12,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.07 : 21,936.92 = 8,822.25 : x
  2. Step 2: Convert to fraction form
    15,896.07/21,936.92 = 8,822.25/x
  3. Step 3: Cross multiply
    15,896.07x = 21,936.92 × 8,822.25
  4. Step 4: Simplify right side
    15,896.07x = 193,532,948.36
  5. Step 5: Solve for x
    x = 193,532,948.36/15,896.07
  6. Step 6: Final answer
    x = 12,174.89

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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.