Home / 18,665.14-27,997.38-4,625.14

Finding the Fourth Proportional to 18,665.14, 27,997.38 and 4,625.14

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Solution

The fourth proportional to 18,665.14, 27,997.38 and 4,625.14 is: 6,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665.14 : 27,997.38 = 4,625.14 : x
  2. Step 2: Convert to fraction form
    18,665.14/27,997.38 = 4,625.14/x
  3. Step 3: Cross multiply
    18,665.14x = 27,997.38 × 4,625.14
  4. Step 4: Simplify right side
    18,665.14x = 129,491,802.13
  5. Step 5: Solve for x
    x = 129,491,802.13/18,665.14
  6. Step 6: Final answer
    x = 6,937.63

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1.5x scale

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.