Home / 22,145.40-33,228.90-16,878.60

Finding the Fourth Proportional to 22,145.40, 33,228.90 and 16,878.60

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Solution

The fourth proportional to 22,145.40, 33,228.90 and 16,878.60 is: 25,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.40 : 33,228.90 = 16,878.60 : x
  2. Step 2: Convert to fraction form
    22,145.40/33,228.90 = 16,878.60/x
  3. Step 3: Cross multiply
    22,145.40x = 33,228.90 × 16,878.60
  4. Step 4: Simplify right side
    22,145.40x = 560,857,311.54
  5. Step 5: Solve for x
    x = 560,857,311.54/22,145.40
  6. Step 6: Final answer
    x = 25,326.13

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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.