Home / 22,247.81-33,371.76-7,456.78

Finding the Fourth Proportional to 22,247.81, 33,371.76 and 7,456.78

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Solution

The fourth proportional to 22,247.81, 33,371.76 and 7,456.78 is: 11,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.81 : 33,371.76 = 7,456.78 : x
  2. Step 2: Convert to fraction form
    22,247.81/33,371.76 = 7,456.78/x
  3. Step 3: Cross multiply
    22,247.81x = 33,371.76 × 7,456.78
  4. Step 4: Simplify right side
    22,247.81x = 248,845,872.53
  5. Step 5: Solve for x
    x = 248,845,872.53/22,247.81
  6. Step 6: Final answer
    x = 11,185.19

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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.