Home / 23,990.11-33,106.41-13,380.43

Finding the Fourth Proportional to 23,990.11, 33,106.41 and 13,380.43

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Solution

The fourth proportional to 23,990.11, 33,106.41 and 13,380.43 is: 18,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.11 : 33,106.41 = 13,380.43 : x
  2. Step 2: Convert to fraction form
    23,990.11/33,106.41 = 13,380.43/x
  3. Step 3: Cross multiply
    23,990.11x = 33,106.41 × 13,380.43
  4. Step 4: Simplify right side
    23,990.11x = 442,978,001.56
  5. Step 5: Solve for x
    x = 442,978,001.56/23,990.11
  6. Step 6: Final answer
    x = 18,465.03

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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.