Home / 18,481.02-27,721.73-5,333.50

Finding the Fourth Proportional to 18,481.02, 27,721.73 and 5,333.50

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Solution

The fourth proportional to 18,481.02, 27,721.73 and 5,333.50 is: 8,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.02 : 27,721.73 = 5,333.50 : x
  2. Step 2: Convert to fraction form
    18,481.02/27,721.73 = 5,333.50/x
  3. Step 3: Cross multiply
    18,481.02x = 27,721.73 × 5,333.50
  4. Step 4: Simplify right side
    18,481.02x = 147,853,846.96
  5. Step 5: Solve for x
    x = 147,853,846.96/18,481.02
  6. Step 6: Final answer
    x = 8,000.31

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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.