Home / 12,265.86-18,399.39-3,502.08

Finding the Fourth Proportional to 12,265.86, 18,399.39 and 3,502.08

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Solution

The fourth proportional to 12,265.86, 18,399.39 and 3,502.08 is: 5,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.86 : 18,399.39 = 3,502.08 : x
  2. Step 2: Convert to fraction form
    12,265.86/18,399.39 = 3,502.08/x
  3. Step 3: Cross multiply
    12,265.86x = 18,399.39 × 3,502.08
  4. Step 4: Simplify right side
    12,265.86x = 64,436,135.73
  5. Step 5: Solve for x
    x = 64,436,135.73/12,265.86
  6. Step 6: Final answer
    x = 5,253.29

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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.