Home / 16,531.26-22,815.78-10,855.98

Finding the Fourth Proportional to 16,531.26, 22,815.78 and 10,855.98

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Solution

The fourth proportional to 16,531.26, 22,815.78 and 10,855.98 is: 14,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.26 : 22,815.78 = 10,855.98 : x
  2. Step 2: Convert to fraction form
    16,531.26/22,815.78 = 10,855.98/x
  3. Step 3: Cross multiply
    16,531.26x = 22,815.78 × 10,855.98
  4. Step 4: Simplify right side
    16,531.26x = 247,687,651.36
  5. Step 5: Solve for x
    x = 247,687,651.36/16,531.26
  6. Step 6: Final answer
    x = 14,982.99

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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.