Home / 19,150.60-28,661.10-16,817.80

Finding the Fourth Proportional to 19,150.60, 28,661.10 and 16,817.80

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Solution

The fourth proportional to 19,150.60, 28,661.10 and 16,817.80 is: 25,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.60 : 28,661.10 = 16,817.80 : x
  2. Step 2: Convert to fraction form
    19,150.60/28,661.10 = 16,817.80/x
  3. Step 3: Cross multiply
    19,150.60x = 28,661.10 × 16,817.80
  4. Step 4: Simplify right side
    19,150.60x = 482,016,647.58
  5. Step 5: Solve for x
    x = 482,016,647.58/19,150.60
  6. Step 6: Final answer
    x = 25,169.79

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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.