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Finding the Fourth Proportional to 22,227.40, 33,365.40 and 13,916.80

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Solution

The fourth proportional to 22,227.40, 33,365.40 and 13,916.80 is: 20,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,227.40 : 33,365.40 = 13,916.80 : x
  2. Step 2: Convert to fraction form
    22,227.40/33,365.40 = 13,916.80/x
  3. Step 3: Cross multiply
    22,227.40x = 33,365.40 × 13,916.80
  4. Step 4: Simplify right side
    22,227.40x = 464,339,598.72
  5. Step 5: Solve for x
    x = 464,339,598.72/22,227.40
  6. Step 6: Final answer
    x = 20,890.41

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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.