Home / 13,331.67-18,396.82-7,362.97

Finding the Fourth Proportional to 13,331.67, 18,396.82 and 7,362.97

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Solution

The fourth proportional to 13,331.67, 18,396.82 and 7,362.97 is: 10,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.67 : 18,396.82 = 7,362.97 : x
  2. Step 2: Convert to fraction form
    13,331.67/18,396.82 = 7,362.97/x
  3. Step 3: Cross multiply
    13,331.67x = 18,396.82 × 7,362.97
  4. Step 4: Simplify right side
    13,331.67x = 135,455,233.76
  5. Step 5: Solve for x
    x = 135,455,233.76/13,331.67
  6. Step 6: Final answer
    x = 10,160.41

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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.