Home / 23,742.12-32,763.96-13,131.36

Finding the Fourth Proportional to 23,742.12, 32,763.96 and 13,131.36

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Solution

The fourth proportional to 23,742.12, 32,763.96 and 13,131.36 is: 18,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.12 : 32,763.96 = 13,131.36 : x
  2. Step 2: Convert to fraction form
    23,742.12/32,763.96 = 13,131.36/x
  3. Step 3: Cross multiply
    23,742.12x = 32,763.96 × 13,131.36
  4. Step 4: Simplify right side
    23,742.12x = 430,235,353.79
  5. Step 5: Solve for x
    x = 430,235,353.79/23,742.12
  6. Step 6: Final answer
    x = 18,121.19

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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.