Home / 14,754.64-22,132.12-11,811.79

Finding the Fourth Proportional to 14,754.64, 22,132.12 and 11,811.79

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Solution

The fourth proportional to 14,754.64, 22,132.12 and 11,811.79 is: 17,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.64 : 22,132.12 = 11,811.79 : x
  2. Step 2: Convert to fraction form
    14,754.64/22,132.12 = 11,811.79/x
  3. Step 3: Cross multiply
    14,754.64x = 22,132.12 × 11,811.79
  4. Step 4: Simplify right side
    14,754.64x = 261,419,953.69
  5. Step 5: Solve for x
    x = 261,419,953.69/14,754.64
  6. Step 6: Final answer
    x = 17,717.81

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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.