Home / 13,573.50-20,351.52-5,673.90

Finding the Fourth Proportional to 13,573.50, 20,351.52 and 5,673.90

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Solution

The fourth proportional to 13,573.50, 20,351.52 and 5,673.90 is: 8,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.50 : 20,351.52 = 5,673.90 : x
  2. Step 2: Convert to fraction form
    13,573.50/20,351.52 = 5,673.90/x
  3. Step 3: Cross multiply
    13,573.50x = 20,351.52 × 5,673.90
  4. Step 4: Simplify right side
    13,573.50x = 115,472,489.33
  5. Step 5: Solve for x
    x = 115,472,489.33/13,573.50
  6. Step 6: Final answer
    x = 8,507.20

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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.