Home / 22,396.62-30,907.48-12,324.78

Finding the Fourth Proportional to 22,396.62, 30,907.48 and 12,324.78

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Solution

The fourth proportional to 22,396.62, 30,907.48 and 12,324.78 is: 17,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,396.62 : 30,907.48 = 12,324.78 : x
  2. Step 2: Convert to fraction form
    22,396.62/30,907.48 = 12,324.78/x
  3. Step 3: Cross multiply
    22,396.62x = 30,907.48 × 12,324.78
  4. Step 4: Simplify right side
    22,396.62x = 380,927,736.82
  5. Step 5: Solve for x
    x = 380,927,736.82/22,396.62
  6. Step 6: Final answer
    x = 17,008.27

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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.