Home / 22,258.49-33,339.20-11,145.80

Finding the Fourth Proportional to 22,258.49, 33,339.20 and 11,145.80

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Solution

The fourth proportional to 22,258.49, 33,339.20 and 11,145.80 is: 16,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.49 : 33,339.20 = 11,145.80 : x
  2. Step 2: Convert to fraction form
    22,258.49/33,339.20 = 11,145.80/x
  3. Step 3: Cross multiply
    22,258.49x = 33,339.20 × 11,145.80
  4. Step 4: Simplify right side
    22,258.49x = 371,591,916.53
  5. Step 5: Solve for x
    x = 371,591,916.53/22,258.49
  6. Step 6: Final answer
    x = 16,694.39

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1.5x scale

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.