Home / 18,092.36-27,122.99-8,719.52

Finding the Fourth Proportional to 18,092.36, 27,122.99 and 8,719.52

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Solution

The fourth proportional to 18,092.36, 27,122.99 and 8,719.52 is: 13,071.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.36 : 27,122.99 = 8,719.52 : x
  2. Step 2: Convert to fraction form
    18,092.36/27,122.99 = 8,719.52/x
  3. Step 3: Cross multiply
    18,092.36x = 27,122.99 × 8,719.52
  4. Step 4: Simplify right side
    18,092.36x = 236,499,274.55
  5. Step 5: Solve for x
    x = 236,499,274.55/18,092.36
  6. Step 6: Final answer
    x = 13,071.77

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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.