Home / 20,348.54-30,523.21-13,373.02

Finding the Fourth Proportional to 20,348.54, 30,523.21 and 13,373.02

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Solution

The fourth proportional to 20,348.54, 30,523.21 and 13,373.02 is: 20,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.54 : 30,523.21 = 13,373.02 : x
  2. Step 2: Convert to fraction form
    20,348.54/30,523.21 = 13,373.02/x
  3. Step 3: Cross multiply
    20,348.54x = 30,523.21 × 13,373.02
  4. Step 4: Simplify right side
    20,348.54x = 408,187,497.79
  5. Step 5: Solve for x
    x = 408,187,497.79/20,348.54
  6. Step 6: Final answer
    x = 20,059.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.