Home / 18,199.88-27,299.96-5,053.27

Finding the Fourth Proportional to 18,199.88, 27,299.96 and 5,053.27

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Solution

The fourth proportional to 18,199.88, 27,299.96 and 5,053.27 is: 7,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.88 : 27,299.96 = 5,053.27 : x
  2. Step 2: Convert to fraction form
    18,199.88/27,299.96 = 5,053.27/x
  3. Step 3: Cross multiply
    18,199.88x = 27,299.96 × 5,053.27
  4. Step 4: Simplify right side
    18,199.88x = 137,954,081.50
  5. Step 5: Solve for x
    x = 137,954,081.50/18,199.88
  6. Step 6: Final answer
    x = 7,579.95

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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.