Home / 23,742.20-32,763.84-13,131.60

Finding the Fourth Proportional to 23,742.20, 32,763.84 and 13,131.60

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Solution

The fourth proportional to 23,742.20, 32,763.84 and 13,131.60 is: 18,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.20 : 32,763.84 = 13,131.60 : x
  2. Step 2: Convert to fraction form
    23,742.20/32,763.84 = 13,131.60/x
  3. Step 3: Cross multiply
    23,742.20x = 32,763.84 × 13,131.60
  4. Step 4: Simplify right side
    23,742.20x = 430,241,641.34
  5. Step 5: Solve for x
    x = 430,241,641.34/23,742.20
  6. Step 6: Final answer
    x = 18,121.39

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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.