Home / 20,464.20-30,646.98-11,672.46

Finding the Fourth Proportional to 20,464.20, 30,646.98 and 11,672.46

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Solution

The fourth proportional to 20,464.20, 30,646.98 and 11,672.46 is: 17,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.20 : 30,646.98 = 11,672.46 : x
  2. Step 2: Convert to fraction form
    20,464.20/30,646.98 = 11,672.46/x
  3. Step 3: Cross multiply
    20,464.20x = 30,646.98 × 11,672.46
  4. Step 4: Simplify right side
    20,464.20x = 357,725,648.17
  5. Step 5: Solve for x
    x = 357,725,648.17/20,464.20
  6. Step 6: Final answer
    x = 17,480.56

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