Home / 18,424.36-27,649.50-8,039.08

Finding the Fourth Proportional to 18,424.36, 27,649.50 and 8,039.08

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Solution

The fourth proportional to 18,424.36, 27,649.50 and 8,039.08 is: 12,064.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.36 : 27,649.50 = 8,039.08 : x
  2. Step 2: Convert to fraction form
    18,424.36/27,649.50 = 8,039.08/x
  3. Step 3: Cross multiply
    18,424.36x = 27,649.50 × 8,039.08
  4. Step 4: Simplify right side
    18,424.36x = 222,276,542.46
  5. Step 5: Solve for x
    x = 222,276,542.46/18,424.36
  6. Step 6: Final answer
    x = 12,064.27

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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.