Home / 20,793.41-31,202.46-7,655.01

Finding the Fourth Proportional to 20,793.41, 31,202.46 and 7,655.01

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Solution

The fourth proportional to 20,793.41, 31,202.46 and 7,655.01 is: 11,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.41 : 31,202.46 = 7,655.01 : x
  2. Step 2: Convert to fraction form
    20,793.41/31,202.46 = 7,655.01/x
  3. Step 3: Cross multiply
    20,793.41x = 31,202.46 × 7,655.01
  4. Step 4: Simplify right side
    20,793.41x = 238,854,987.31
  5. Step 5: Solve for x
    x = 238,854,987.31/20,793.41
  6. Step 6: Final answer
    x = 11,487.06

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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.