Home / 18,199.62-27,299.59-5,053.02

Finding the Fourth Proportional to 18,199.62, 27,299.59 and 5,053.02

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Solution

The fourth proportional to 18,199.62, 27,299.59 and 5,053.02 is: 7,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.62 : 27,299.59 = 5,053.02 : x
  2. Step 2: Convert to fraction form
    18,199.62/27,299.59 = 5,053.02/x
  3. Step 3: Cross multiply
    18,199.62x = 27,299.59 × 5,053.02
  4. Step 4: Simplify right side
    18,199.62x = 137,945,361.63
  5. Step 5: Solve for x
    x = 137,945,361.63/18,199.62
  6. Step 6: Final answer
    x = 7,579.57

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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.