Home / 19,800.66-29,694.62-10,435.44

Finding the Fourth Proportional to 19,800.66, 29,694.62 and 10,435.44

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Solution

The fourth proportional to 19,800.66, 29,694.62 and 10,435.44 is: 15,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800.66 : 29,694.62 = 10,435.44 : x
  2. Step 2: Convert to fraction form
    19,800.66/29,694.62 = 10,435.44/x
  3. Step 3: Cross multiply
    19,800.66x = 29,694.62 × 10,435.44
  4. Step 4: Simplify right side
    19,800.66x = 309,876,425.33
  5. Step 5: Solve for x
    x = 309,876,425.33/19,800.66
  6. Step 6: Final answer
    x = 15,649.80

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1.5x scale

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.