Home / 15,881.76-23,822.37-5,493.24

Finding the Fourth Proportional to 15,881.76, 23,822.37 and 5,493.24

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Solution

The fourth proportional to 15,881.76, 23,822.37 and 5,493.24 is: 8,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.76 : 23,822.37 = 5,493.24 : x
  2. Step 2: Convert to fraction form
    15,881.76/23,822.37 = 5,493.24/x
  3. Step 3: Cross multiply
    15,881.76x = 23,822.37 × 5,493.24
  4. Step 4: Simplify right side
    15,881.76x = 130,861,995.78
  5. Step 5: Solve for x
    x = 130,861,995.78/15,881.76
  6. Step 6: Final answer
    x = 8,239.77

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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.