Home / 16,665.35-22,998.20-9,591.78

Finding the Fourth Proportional to 16,665.35, 22,998.20 and 9,591.78

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Solution

The fourth proportional to 16,665.35, 22,998.20 and 9,591.78 is: 13,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.35 : 22,998.20 = 9,591.78 : x
  2. Step 2: Convert to fraction form
    16,665.35/22,998.20 = 9,591.78/x
  3. Step 3: Cross multiply
    16,665.35x = 22,998.20 × 9,591.78
  4. Step 4: Simplify right side
    16,665.35x = 220,593,626.84
  5. Step 5: Solve for x
    x = 220,593,626.84/16,665.35
  6. Step 6: Final answer
    x = 13,236.67

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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.