Home / 23,993.18-33,121.21-15,499.44

Finding the Fourth Proportional to 23,993.18, 33,121.21 and 15,499.44

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Solution

The fourth proportional to 23,993.18, 33,121.21 and 15,499.44 is: 21,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,993.18 : 33,121.21 = 15,499.44 : x
  2. Step 2: Convert to fraction form
    23,993.18/33,121.21 = 15,499.44/x
  3. Step 3: Cross multiply
    23,993.18x = 33,121.21 × 15,499.44
  4. Step 4: Simplify right side
    23,993.18x = 513,360,207.12
  5. Step 5: Solve for x
    x = 513,360,207.12/23,993.18
  6. Step 6: Final answer
    x = 21,396.09

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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.