Home / 22,227.10-33,340.65-12,385.60

Finding the Fourth Proportional to 22,227.10, 33,340.65 and 12,385.60

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Solution

The fourth proportional to 22,227.10, 33,340.65 and 12,385.60 is: 18,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,227.10 : 33,340.65 = 12,385.60 : x
  2. Step 2: Convert to fraction form
    22,227.10/33,340.65 = 12,385.60/x
  3. Step 3: Cross multiply
    22,227.10x = 33,340.65 × 12,385.60
  4. Step 4: Simplify right side
    22,227.10x = 412,943,954.64
  5. Step 5: Solve for x
    x = 412,943,954.64/22,227.10
  6. Step 6: Final answer
    x = 18,578.40

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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.