Home / 13,231.35-19,845.30-3,370.03

Finding the Fourth Proportional to 13,231.35, 19,845.30 and 3,370.03

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Solution

The fourth proportional to 13,231.35, 19,845.30 and 3,370.03 is: 5,054.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.35 : 19,845.30 = 3,370.03 : x
  2. Step 2: Convert to fraction form
    13,231.35/19,845.30 = 3,370.03/x
  3. Step 3: Cross multiply
    13,231.35x = 19,845.30 × 3,370.03
  4. Step 4: Simplify right side
    13,231.35x = 66,879,256.36
  5. Step 5: Solve for x
    x = 66,879,256.36/13,231.35
  6. Step 6: Final answer
    x = 5,054.61

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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.