Home / 19,735.92-27,222.84-11,772

Finding the Fourth Proportional to 19,735.92, 27,222.84 and 11,772

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Solution

The fourth proportional to 19,735.92, 27,222.84 and 11,772 is: 16,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.92 : 27,222.84 = 11,772 : x
  2. Step 2: Convert to fraction form
    19,735.92/27,222.84 = 11,772/x
  3. Step 3: Cross multiply
    19,735.92x = 27,222.84 × 11,772
  4. Step 4: Simplify right side
    19,735.92x = 320,467,272.48
  5. Step 5: Solve for x
    x = 320,467,272.48/19,735.92
  6. Step 6: Final answer
    x = 16,237.77

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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.