Home / 18,215.61-27,324.50-5,736.03

Finding the Fourth Proportional to 18,215.61, 27,324.50 and 5,736.03

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Solution

The fourth proportional to 18,215.61, 27,324.50 and 5,736.03 is: 8,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.61 : 27,324.50 = 5,736.03 : x
  2. Step 2: Convert to fraction form
    18,215.61/27,324.50 = 5,736.03/x
  3. Step 3: Cross multiply
    18,215.61x = 27,324.50 × 5,736.03
  4. Step 4: Simplify right side
    18,215.61x = 156,734,151.74
  5. Step 5: Solve for x
    x = 156,734,151.74/18,215.61
  6. Step 6: Final answer
    x = 8,604.39

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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.