Home / 12,327.46-18,491.19-11,258.26

Finding the Fourth Proportional to 12,327.46, 18,491.19 and 11,258.26

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Solution

The fourth proportional to 12,327.46, 18,491.19 and 11,258.26 is: 16,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.46 : 18,491.19 = 11,258.26 : x
  2. Step 2: Convert to fraction form
    12,327.46/18,491.19 = 11,258.26/x
  3. Step 3: Cross multiply
    12,327.46x = 18,491.19 × 11,258.26
  4. Step 4: Simplify right side
    12,327.46x = 208,178,624.73
  5. Step 5: Solve for x
    x = 208,178,624.73/12,327.46
  6. Step 6: Final answer
    x = 16,887.39

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.