Home / 18,400.31-27,604.55-6,713.53

Finding the Fourth Proportional to 18,400.31, 27,604.55 and 6,713.53

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Solution

The fourth proportional to 18,400.31, 27,604.55 and 6,713.53 is: 10,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.31 : 27,604.55 = 6,713.53 : x
  2. Step 2: Convert to fraction form
    18,400.31/27,604.55 = 6,713.53/x
  3. Step 3: Cross multiply
    18,400.31x = 27,604.55 × 6,713.53
  4. Step 4: Simplify right side
    18,400.31x = 185,324,039.85
  5. Step 5: Solve for x
    x = 185,324,039.85/18,400.31
  6. Step 6: Final answer
    x = 10,071.79

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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.