Home / 23,690.20-32,694.06-13,621.96

Finding the Fourth Proportional to 23,690.20, 32,694.06 and 13,621.96

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Solution

The fourth proportional to 23,690.20, 32,694.06 and 13,621.96 is: 18,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,690.20 : 32,694.06 = 13,621.96 : x
  2. Step 2: Convert to fraction form
    23,690.20/32,694.06 = 13,621.96/x
  3. Step 3: Cross multiply
    23,690.20x = 32,694.06 × 13,621.96
  4. Step 4: Simplify right side
    23,690.20x = 445,357,177.56
  5. Step 5: Solve for x
    x = 445,357,177.56/23,690.20
  6. Step 6: Final answer
    x = 18,799.22

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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.