Home / 23,742.21-32,764.26-13,131.75

Finding the Fourth Proportional to 23,742.21, 32,764.26 and 13,131.75

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Solution

The fourth proportional to 23,742.21, 32,764.26 and 13,131.75 is: 18,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.21 : 32,764.26 = 13,131.75 : x
  2. Step 2: Convert to fraction form
    23,742.21/32,764.26 = 13,131.75/x
  3. Step 3: Cross multiply
    23,742.21x = 32,764.26 × 13,131.75
  4. Step 4: Simplify right side
    23,742.21x = 430,252,071.26
  5. Step 5: Solve for x
    x = 430,252,071.26/23,742.21
  6. Step 6: Final answer
    x = 18,121.82

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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.