Home / 13,092.45-19,638.36-3,231.81

Finding the Fourth Proportional to 13,092.45, 19,638.36 and 3,231.81

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Solution

The fourth proportional to 13,092.45, 19,638.36 and 3,231.81 is: 4,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.45 : 19,638.36 = 3,231.81 : x
  2. Step 2: Convert to fraction form
    13,092.45/19,638.36 = 3,231.81/x
  3. Step 3: Cross multiply
    13,092.45x = 19,638.36 × 3,231.81
  4. Step 4: Simplify right side
    13,092.45x = 63,467,448.23
  5. Step 5: Solve for x
    x = 63,467,448.23/13,092.45
  6. Step 6: Final answer
    x = 4,847.64

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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.