Home / 23,147.82-34,735.91-9,999.90

Finding the Fourth Proportional to 23,147.82, 34,735.91 and 9,999.90

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Solution

The fourth proportional to 23,147.82, 34,735.91 and 9,999.90 is: 15,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.82 : 34,735.91 = 9,999.90 : x
  2. Step 2: Convert to fraction form
    23,147.82/34,735.91 = 9,999.90/x
  3. Step 3: Cross multiply
    23,147.82x = 34,735.91 × 9,999.90
  4. Step 4: Simplify right side
    23,147.82x = 347,355,576.41
  5. Step 5: Solve for x
    x = 347,355,576.41/23,147.82
  6. Step 6: Final answer
    x = 15,005.97

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1.5x scale

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.