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Finding the Fourth Proportional to 22,155.01, 33,154.44 and 13,838.94

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Solution

The fourth proportional to 22,155.01, 33,154.44 and 13,838.94 is: 20,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.01 : 33,154.44 = 13,838.94 : x
  2. Step 2: Convert to fraction form
    22,155.01/33,154.44 = 13,838.94/x
  3. Step 3: Cross multiply
    22,155.01x = 33,154.44 × 13,838.94
  4. Step 4: Simplify right side
    22,155.01x = 458,822,257.60
  5. Step 5: Solve for x
    x = 458,822,257.60/22,155.01
  6. Step 6: Final answer
    x = 20,709.64

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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.