Home / 17,910.37-26,868.46-5,427.47

Finding the Fourth Proportional to 17,910.37, 26,868.46 and 5,427.47

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Solution

The fourth proportional to 17,910.37, 26,868.46 and 5,427.47 is: 8,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.37 : 26,868.46 = 5,427.47 : x
  2. Step 2: Convert to fraction form
    17,910.37/26,868.46 = 5,427.47/x
  3. Step 3: Cross multiply
    17,910.37x = 26,868.46 × 5,427.47
  4. Step 4: Simplify right side
    17,910.37x = 145,827,760.60
  5. Step 5: Solve for x
    x = 145,827,760.60/17,910.37
  6. Step 6: Final answer
    x = 8,142.09

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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.