Home / 18,525.10-27,721.99-16,338.10

Finding the Fourth Proportional to 18,525.10, 27,721.99 and 16,338.10

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Solution

The fourth proportional to 18,525.10, 27,721.99 and 16,338.10 is: 24,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.10 : 27,721.99 = 16,338.10 : x
  2. Step 2: Convert to fraction form
    18,525.10/27,721.99 = 16,338.10/x
  3. Step 3: Cross multiply
    18,525.10x = 27,721.99 × 16,338.10
  4. Step 4: Simplify right side
    18,525.10x = 452,924,644.82
  5. Step 5: Solve for x
    x = 452,924,644.82/18,525.10
  6. Step 6: Final answer
    x = 24,449.24

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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.