Home / 13,370.33-20,055.43-3,375.09

Finding the Fourth Proportional to 13,370.33, 20,055.43 and 3,375.09

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Solution

The fourth proportional to 13,370.33, 20,055.43 and 3,375.09 is: 5,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.33 : 20,055.43 = 3,375.09 : x
  2. Step 2: Convert to fraction form
    13,370.33/20,055.43 = 3,375.09/x
  3. Step 3: Cross multiply
    13,370.33x = 20,055.43 × 3,375.09
  4. Step 4: Simplify right side
    13,370.33x = 67,688,881.24
  5. Step 5: Solve for x
    x = 67,688,881.24/13,370.33
  6. Step 6: Final answer
    x = 5,062.62

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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.