Home / 22,375.28-30,877.99-12,304.37

Finding the Fourth Proportional to 22,375.28, 30,877.99 and 12,304.37

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Solution

The fourth proportional to 22,375.28, 30,877.99 and 12,304.37 is: 16,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,375.28 : 30,877.99 = 12,304.37 : x
  2. Step 2: Convert to fraction form
    22,375.28/30,877.99 = 12,304.37/x
  3. Step 3: Cross multiply
    22,375.28x = 30,877.99 × 12,304.37
  4. Step 4: Simplify right side
    22,375.28x = 379,934,260.25
  5. Step 5: Solve for x
    x = 379,934,260.25/22,375.28
  6. Step 6: Final answer
    x = 16,980.09

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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.