Home / 18,015.20-24,861.39-11,301.11

Finding the Fourth Proportional to 18,015.20, 24,861.39 and 11,301.11

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Solution

The fourth proportional to 18,015.20, 24,861.39 and 11,301.11 is: 15,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.20 : 24,861.39 = 11,301.11 : x
  2. Step 2: Convert to fraction form
    18,015.20/24,861.39 = 11,301.11/x
  3. Step 3: Cross multiply
    18,015.20x = 24,861.39 × 11,301.11
  4. Step 4: Simplify right side
    18,015.20x = 280,961,178.84
  5. Step 5: Solve for x
    x = 280,961,178.84/18,015.20
  6. Step 6: Final answer
    x = 15,595.79

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Half scale
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Double scale
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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.