Home / 18,926.16-28,414.36-16,170.54

Finding the Fourth Proportional to 18,926.16, 28,414.36 and 16,170.54

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Solution

The fourth proportional to 18,926.16, 28,414.36 and 16,170.54 is: 24,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.16 : 28,414.36 = 16,170.54 : x
  2. Step 2: Convert to fraction form
    18,926.16/28,414.36 = 16,170.54/x
  3. Step 3: Cross multiply
    18,926.16x = 28,414.36 × 16,170.54
  4. Step 4: Simplify right side
    18,926.16x = 459,475,544.95
  5. Step 5: Solve for x
    x = 459,475,544.95/18,926.16
  6. Step 6: Final answer
    x = 24,277.27

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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.