Home / 23,202.76-32,019.96-13,131.60

Finding the Fourth Proportional to 23,202.76, 32,019.96 and 13,131.60

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Solution

The fourth proportional to 23,202.76, 32,019.96 and 13,131.60 is: 18,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,202.76 : 32,019.96 = 13,131.60 : x
  2. Step 2: Convert to fraction form
    23,202.76/32,019.96 = 13,131.60/x
  3. Step 3: Cross multiply
    23,202.76x = 32,019.96 × 13,131.60
  4. Step 4: Simplify right side
    23,202.76x = 420,473,306.74
  5. Step 5: Solve for x
    x = 420,473,306.74/23,202.76
  6. Step 6: Final answer
    x = 18,121.69

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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.