Home / 22,171.46-30,596.47-12,099.69

Finding the Fourth Proportional to 22,171.46, 30,596.47 and 12,099.69

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Solution

The fourth proportional to 22,171.46, 30,596.47 and 12,099.69 is: 16,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.46 : 30,596.47 = 12,099.69 : x
  2. Step 2: Convert to fraction form
    22,171.46/30,596.47 = 12,099.69/x
  3. Step 3: Cross multiply
    22,171.46x = 30,596.47 × 12,099.69
  4. Step 4: Simplify right side
    22,171.46x = 370,207,771.85
  5. Step 5: Solve for x
    x = 370,207,771.85/22,171.46
  6. Step 6: Final answer
    x = 16,697.50

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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.