Home / 19,848.20-29,845.20-16,640.60

Finding the Fourth Proportional to 19,848.20, 29,845.20 and 16,640.60

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Solution

The fourth proportional to 19,848.20, 29,845.20 and 16,640.60 is: 25,022.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.20 : 29,845.20 = 16,640.60 : x
  2. Step 2: Convert to fraction form
    19,848.20/29,845.20 = 16,640.60/x
  3. Step 3: Cross multiply
    19,848.20x = 29,845.20 × 16,640.60
  4. Step 4: Simplify right side
    19,848.20x = 496,642,035.12
  5. Step 5: Solve for x
    x = 496,642,035.12/19,848.20
  6. Step 6: Final answer
    x = 25,022.02

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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.