Home / 22,005.84-33,029.72-13,660.60

Finding the Fourth Proportional to 22,005.84, 33,029.72 and 13,660.60

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Solution

The fourth proportional to 22,005.84, 33,029.72 and 13,660.60 is: 20,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.84 : 33,029.72 = 13,660.60 : x
  2. Step 2: Convert to fraction form
    22,005.84/33,029.72 = 13,660.60/x
  3. Step 3: Cross multiply
    22,005.84x = 33,029.72 × 13,660.60
  4. Step 4: Simplify right side
    22,005.84x = 451,205,793.03
  5. Step 5: Solve for x
    x = 451,205,793.03/22,005.84
  6. Step 6: Final answer
    x = 20,503.91

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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.