Home / 12,333.18-18,502.54-3,568.78

Finding the Fourth Proportional to 12,333.18, 18,502.54 and 3,568.78

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Solution

The fourth proportional to 12,333.18, 18,502.54 and 3,568.78 is: 5,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.18 : 18,502.54 = 3,568.78 : x
  2. Step 2: Convert to fraction form
    12,333.18/18,502.54 = 3,568.78/x
  3. Step 3: Cross multiply
    12,333.18x = 18,502.54 × 3,568.78
  4. Step 4: Simplify right side
    12,333.18x = 66,031,494.70
  5. Step 5: Solve for x
    x = 66,031,494.70/12,333.18
  6. Step 6: Final answer
    x = 5,353.97

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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.