Home / 18,231.11-27,348.21-5,083.49

Finding the Fourth Proportional to 18,231.11, 27,348.21 and 5,083.49

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Solution

The fourth proportional to 18,231.11, 27,348.21 and 5,083.49 is: 7,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.11 : 27,348.21 = 5,083.49 : x
  2. Step 2: Convert to fraction form
    18,231.11/27,348.21 = 5,083.49/x
  3. Step 3: Cross multiply
    18,231.11x = 27,348.21 × 5,083.49
  4. Step 4: Simplify right side
    18,231.11x = 139,024,326.64
  5. Step 5: Solve for x
    x = 139,024,326.64/18,231.11
  6. Step 6: Final answer
    x = 7,625.67

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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.