Home / 13,233.92-19,845.40-5,631.96

Finding the Fourth Proportional to 13,233.92, 19,845.40 and 5,631.96

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Solution

The fourth proportional to 13,233.92, 19,845.40 and 5,631.96 is: 8,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.92 : 19,845.40 = 5,631.96 : x
  2. Step 2: Convert to fraction form
    13,233.92/19,845.40 = 5,631.96/x
  3. Step 3: Cross multiply
    13,233.92x = 19,845.40 × 5,631.96
  4. Step 4: Simplify right side
    13,233.92x = 111,768,498.98
  5. Step 5: Solve for x
    x = 111,768,498.98/13,233.92
  6. Step 6: Final answer
    x = 8,445.61

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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.