Home / 14,811.96-22,217.76-3,718.56

Finding the Fourth Proportional to 14,811.96, 22,217.76 and 3,718.56

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Solution

The fourth proportional to 14,811.96, 22,217.76 and 3,718.56 is: 5,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.96 : 22,217.76 = 3,718.56 : x
  2. Step 2: Convert to fraction form
    14,811.96/22,217.76 = 3,718.56/x
  3. Step 3: Cross multiply
    14,811.96x = 22,217.76 × 3,718.56
  4. Step 4: Simplify right side
    14,811.96x = 82,618,073.63
  5. Step 5: Solve for x
    x = 82,618,073.63/14,811.96
  6. Step 6: Final answer
    x = 5,577.79

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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.