Home / 15,963.31-22,029.41-8,891.14

Finding the Fourth Proportional to 15,963.31, 22,029.41 and 8,891.14

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Solution

The fourth proportional to 15,963.31, 22,029.41 and 8,891.14 is: 12,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.31 : 22,029.41 = 8,891.14 : x
  2. Step 2: Convert to fraction form
    15,963.31/22,029.41 = 8,891.14/x
  3. Step 3: Cross multiply
    15,963.31x = 22,029.41 × 8,891.14
  4. Step 4: Simplify right side
    15,963.31x = 195,866,568.43
  5. Step 5: Solve for x
    x = 195,866,568.43/15,963.31
  6. Step 6: Final answer
    x = 12,269.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.