Home / 13,092.48-19,638.84-3,231.72

Finding the Fourth Proportional to 13,092.48, 19,638.84 and 3,231.72

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Solution

The fourth proportional to 13,092.48, 19,638.84 and 3,231.72 is: 4,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.48 : 19,638.84 = 3,231.72 : x
  2. Step 2: Convert to fraction form
    13,092.48/19,638.84 = 3,231.72/x
  3. Step 3: Cross multiply
    13,092.48x = 19,638.84 × 3,231.72
  4. Step 4: Simplify right side
    13,092.48x = 63,467,232.00
  5. Step 5: Solve for x
    x = 63,467,232.00/13,092.48
  6. Step 6: Final answer
    x = 4,847.61

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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.