Home / 18,733.68-25,850.88-11,660.76

Finding the Fourth Proportional to 18,733.68, 25,850.88 and 11,660.76

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Solution

The fourth proportional to 18,733.68, 25,850.88 and 11,660.76 is: 16,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.68 : 25,850.88 = 11,660.76 : x
  2. Step 2: Convert to fraction form
    18,733.68/25,850.88 = 11,660.76/x
  3. Step 3: Cross multiply
    18,733.68x = 25,850.88 × 11,660.76
  4. Step 4: Simplify right side
    18,733.68x = 301,440,907.47
  5. Step 5: Solve for x
    x = 301,440,907.47/18,733.68
  6. Step 6: Final answer
    x = 16,090.85

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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.