Home / 16,161.42-22,302.62-9,087.69

Finding the Fourth Proportional to 16,161.42, 22,302.62 and 9,087.69

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Solution

The fourth proportional to 16,161.42, 22,302.62 and 9,087.69 is: 12,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161.42 : 22,302.62 = 9,087.69 : x
  2. Step 2: Convert to fraction form
    16,161.42/22,302.62 = 9,087.69/x
  3. Step 3: Cross multiply
    16,161.42x = 22,302.62 × 9,087.69
  4. Step 4: Simplify right side
    16,161.42x = 202,679,296.75
  5. Step 5: Solve for x
    x = 202,679,296.75/16,161.42
  6. Step 6: Final answer
    x = 12,540.93

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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.