Home / 13,059.41-18,020.09-7,469.33

Finding the Fourth Proportional to 13,059.41, 18,020.09 and 7,469.33

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Solution

The fourth proportional to 13,059.41, 18,020.09 and 7,469.33 is: 10,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.41 : 18,020.09 = 7,469.33 : x
  2. Step 2: Convert to fraction form
    13,059.41/18,020.09 = 7,469.33/x
  3. Step 3: Cross multiply
    13,059.41x = 18,020.09 × 7,469.33
  4. Step 4: Simplify right side
    13,059.41x = 134,597,961.49
  5. Step 5: Solve for x
    x = 134,597,961.49/13,059.41
  6. Step 6: Final answer
    x = 10,306.59

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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.