Home / 13,333.35-18,399.92-7,365.44

Finding the Fourth Proportional to 13,333.35, 18,399.92 and 7,365.44

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Solution

The fourth proportional to 13,333.35, 18,399.92 and 7,365.44 is: 10,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.35 : 18,399.92 = 7,365.44 : x
  2. Step 2: Convert to fraction form
    13,333.35/18,399.92 = 7,365.44/x
  3. Step 3: Cross multiply
    13,333.35x = 18,399.92 × 7,365.44
  4. Step 4: Simplify right side
    13,333.35x = 135,523,377.94
  5. Step 5: Solve for x
    x = 135,523,377.94/13,333.35
  6. Step 6: Final answer
    x = 10,164.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.