Home / 13,194.06-19,764.41-8,181.05

Finding the Fourth Proportional to 13,194.06, 19,764.41 and 8,181.05

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Solution

The fourth proportional to 13,194.06, 19,764.41 and 8,181.05 is: 12,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.06 : 19,764.41 = 8,181.05 : x
  2. Step 2: Convert to fraction form
    13,194.06/19,764.41 = 8,181.05/x
  3. Step 3: Cross multiply
    13,194.06x = 19,764.41 × 8,181.05
  4. Step 4: Simplify right side
    13,194.06x = 161,693,597.88
  5. Step 5: Solve for x
    x = 161,693,597.88/13,194.06
  6. Step 6: Final answer
    x = 12,255.03

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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.