Home / 23,190.90-32,003.43-13,119.12

Finding the Fourth Proportional to 23,190.90, 32,003.43 and 13,119.12

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Solution

The fourth proportional to 23,190.90, 32,003.43 and 13,119.12 is: 18,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.90 : 32,003.43 = 13,119.12 : x
  2. Step 2: Convert to fraction form
    23,190.90/32,003.43 = 13,119.12/x
  3. Step 3: Cross multiply
    23,190.90x = 32,003.43 × 13,119.12
  4. Step 4: Simplify right side
    23,190.90x = 419,856,838.58
  5. Step 5: Solve for x
    x = 419,856,838.58/23,190.90
  6. Step 6: Final answer
    x = 18,104.38

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Half scale
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Double scale
Find fourth proportional to 23,191.90, 32,004.81 and 13,120.12
Similar ratio
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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.