Home / 18,109.82-24,991.11-10,043.44

Finding the Fourth Proportional to 18,109.82, 24,991.11 and 10,043.44

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Solution

The fourth proportional to 18,109.82, 24,991.11 and 10,043.44 is: 13,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.82 : 24,991.11 = 10,043.44 : x
  2. Step 2: Convert to fraction form
    18,109.82/24,991.11 = 10,043.44/x
  3. Step 3: Cross multiply
    18,109.82x = 24,991.11 × 10,043.44
  4. Step 4: Simplify right side
    18,109.82x = 250,996,713.82
  5. Step 5: Solve for x
    x = 250,996,713.82/18,109.82
  6. Step 6: Final answer
    x = 13,859.70

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1.5x scale

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.