Home / 13,927.14-19,218.24-8,183.98

Finding the Fourth Proportional to 13,927.14, 19,218.24 and 8,183.98

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Solution

The fourth proportional to 13,927.14, 19,218.24 and 8,183.98 is: 11,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.14 : 19,218.24 = 8,183.98 : x
  2. Step 2: Convert to fraction form
    13,927.14/19,218.24 = 8,183.98/x
  3. Step 3: Cross multiply
    13,927.14x = 19,218.24 × 8,183.98
  4. Step 4: Simplify right side
    13,927.14x = 157,281,691.80
  5. Step 5: Solve for x
    x = 157,281,691.80/13,927.14
  6. Step 6: Final answer
    x = 11,293.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.