Home / 16,106.49-22,375.78-15,962.31

Finding the Fourth Proportional to 16,106.49, 22,375.78 and 15,962.31

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Solution

The fourth proportional to 16,106.49, 22,375.78 and 15,962.31 is: 22,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,106.49 : 22,375.78 = 15,962.31 : x
  2. Step 2: Convert to fraction form
    16,106.49/22,375.78 = 15,962.31/x
  3. Step 3: Cross multiply
    16,106.49x = 22,375.78 × 15,962.31
  4. Step 4: Simplify right side
    16,106.49x = 357,169,136.85
  5. Step 5: Solve for x
    x = 357,169,136.85/16,106.49
  6. Step 6: Final answer
    x = 22,175.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.