Home / 19,836.68-29,755.73-6,689.16

Finding the Fourth Proportional to 19,836.68, 29,755.73 and 6,689.16

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Solution

The fourth proportional to 19,836.68, 29,755.73 and 6,689.16 is: 10,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.68 : 29,755.73 = 6,689.16 : x
  2. Step 2: Convert to fraction form
    19,836.68/29,755.73 = 6,689.16/x
  3. Step 3: Cross multiply
    19,836.68x = 29,755.73 × 6,689.16
  4. Step 4: Simplify right side
    19,836.68x = 199,040,805.44
  5. Step 5: Solve for x
    x = 199,040,805.44/19,836.68
  6. Step 6: Final answer
    x = 10,033.98

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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.