Home / 23,742.06-32,764.60-13,131.90

Finding the Fourth Proportional to 23,742.06, 32,764.60 and 13,131.90

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Solution

The fourth proportional to 23,742.06, 32,764.60 and 13,131.90 is: 18,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.06 : 32,764.60 = 13,131.90 : x
  2. Step 2: Convert to fraction form
    23,742.06/32,764.60 = 13,131.90/x
  3. Step 3: Cross multiply
    23,742.06x = 32,764.60 × 13,131.90
  4. Step 4: Simplify right side
    23,742.06x = 430,261,286.92
  5. Step 5: Solve for x
    x = 430,261,286.92/23,742.06
  6. Step 6: Final answer
    x = 18,122.33

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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.