Home / 23,289.44-32,140.20-13,218.34

Finding the Fourth Proportional to 23,289.44, 32,140.20 and 13,218.34

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Solution

The fourth proportional to 23,289.44, 32,140.20 and 13,218.34 is: 18,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.44 : 32,140.20 = 13,218.34 : x
  2. Step 2: Convert to fraction form
    23,289.44/32,140.20 = 13,218.34/x
  3. Step 3: Cross multiply
    23,289.44x = 32,140.20 × 13,218.34
  4. Step 4: Simplify right side
    23,289.44x = 424,840,091.27
  5. Step 5: Solve for x
    x = 424,840,091.27/23,289.44
  6. Step 6: Final answer
    x = 18,241.75

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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.