Home / 23,220.11-32,043.66-13,149.25

Finding the Fourth Proportional to 23,220.11, 32,043.66 and 13,149.25

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Solution

The fourth proportional to 23,220.11, 32,043.66 and 13,149.25 is: 18,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.11 : 32,043.66 = 13,149.25 : x
  2. Step 2: Convert to fraction form
    23,220.11/32,043.66 = 13,149.25/x
  3. Step 3: Cross multiply
    23,220.11x = 32,043.66 × 13,149.25
  4. Step 4: Simplify right side
    23,220.11x = 421,350,096.26
  5. Step 5: Solve for x
    x = 421,350,096.26/23,220.11
  6. Step 6: Final answer
    x = 18,145.91

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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.