Home / 23,104-31,889.28-13,173.76

Finding the Fourth Proportional to 23,104, 31,889.28 and 13,173.76

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Solution

The fourth proportional to 23,104, 31,889.28 and 13,173.76 is: 18,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,104 : 31,889.28 = 13,173.76 : x
  2. Step 2: Convert to fraction form
    23,104/31,889.28 = 13,173.76/x
  3. Step 3: Cross multiply
    23,104x = 31,889.28 × 13,173.76
  4. Step 4: Simplify right side
    23,104x = 420,101,721.29
  5. Step 5: Solve for x
    x = 420,101,721.29/23,104
  6. Step 6: Final answer
    x = 18,183.07

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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.