Home / 16,660.74-22,992.43-9,107.58

Finding the Fourth Proportional to 16,660.74, 22,992.43 and 9,107.58

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Solution

The fourth proportional to 16,660.74, 22,992.43 and 9,107.58 is: 12,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.74 : 22,992.43 = 9,107.58 : x
  2. Step 2: Convert to fraction form
    16,660.74/22,992.43 = 9,107.58/x
  3. Step 3: Cross multiply
    16,660.74x = 22,992.43 × 9,107.58
  4. Step 4: Simplify right side
    16,660.74x = 209,405,395.62
  5. Step 5: Solve for x
    x = 209,405,395.62/16,660.74
  6. Step 6: Final answer
    x = 12,568.79

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.