Home / 12,023.67-18,035.53-3,258.60

Finding the Fourth Proportional to 12,023.67, 18,035.53 and 3,258.60

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Solution

The fourth proportional to 12,023.67, 18,035.53 and 3,258.60 is: 4,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.67 : 18,035.53 = 3,258.60 : x
  2. Step 2: Convert to fraction form
    12,023.67/18,035.53 = 3,258.60/x
  3. Step 3: Cross multiply
    12,023.67x = 18,035.53 × 3,258.60
  4. Step 4: Simplify right side
    12,023.67x = 58,770,502.28
  5. Step 5: Solve for x
    x = 58,770,502.28/12,023.67
  6. Step 6: Final answer
    x = 4,887.90

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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.