Home / 27,174.72-40,742.52-13,333.44

Finding the Fourth Proportional to 27,174.72, 40,742.52 and 13,333.44

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Solution

The fourth proportional to 27,174.72, 40,742.52 and 13,333.44 is: 19,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.72 : 40,742.52 = 13,333.44 : x
  2. Step 2: Convert to fraction form
    27,174.72/40,742.52 = 13,333.44/x
  3. Step 3: Cross multiply
    27,174.72x = 40,742.52 × 13,333.44
  4. Step 4: Simplify right side
    27,174.72x = 543,237,945.87
  5. Step 5: Solve for x
    x = 543,237,945.87/27,174.72
  6. Step 6: Final answer
    x = 19,990.56

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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.