Home / 16,065.84-22,170.97-9,355.38

Finding the Fourth Proportional to 16,065.84, 22,170.97 and 9,355.38

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Solution

The fourth proportional to 16,065.84, 22,170.97 and 9,355.38 is: 12,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.84 : 22,170.97 = 9,355.38 : x
  2. Step 2: Convert to fraction form
    16,065.84/22,170.97 = 9,355.38/x
  3. Step 3: Cross multiply
    16,065.84x = 22,170.97 × 9,355.38
  4. Step 4: Simplify right side
    16,065.84x = 207,417,725.25
  5. Step 5: Solve for x
    x = 207,417,725.25/16,065.84
  6. Step 6: Final answer
    x = 12,910.48

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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.