Home / 22,989.87-34,467.30-11,889.45

Finding the Fourth Proportional to 22,989.87, 34,467.30 and 11,889.45

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Solution

The fourth proportional to 22,989.87, 34,467.30 and 11,889.45 is: 17,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,989.87 : 34,467.30 = 11,889.45 : x
  2. Step 2: Convert to fraction form
    22,989.87/34,467.30 = 11,889.45/x
  3. Step 3: Cross multiply
    22,989.87x = 34,467.30 × 11,889.45
  4. Step 4: Simplify right side
    22,989.87x = 409,797,239.99
  5. Step 5: Solve for x
    x = 409,797,239.99/22,989.87
  6. Step 6: Final answer
    x = 17,825.12

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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.