Home / 18,222.27-27,333.50-5,074.66

Finding the Fourth Proportional to 18,222.27, 27,333.50 and 5,074.66

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Solution

The fourth proportional to 18,222.27, 27,333.50 and 5,074.66 is: 7,612.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.27 : 27,333.50 = 5,074.66 : x
  2. Step 2: Convert to fraction form
    18,222.27/27,333.50 = 5,074.66/x
  3. Step 3: Cross multiply
    18,222.27x = 27,333.50 × 5,074.66
  4. Step 4: Simplify right side
    18,222.27x = 138,708,219.11
  5. Step 5: Solve for x
    x = 138,708,219.11/18,222.27
  6. Step 6: Final answer
    x = 7,612.02

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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.