Home / 17,772.20-26,658.30-16,677.80

Finding the Fourth Proportional to 17,772.20, 26,658.30 and 16,677.80

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Solution

The fourth proportional to 17,772.20, 26,658.30 and 16,677.80 is: 25,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772.20 : 26,658.30 = 16,677.80 : x
  2. Step 2: Convert to fraction form
    17,772.20/26,658.30 = 16,677.80/x
  3. Step 3: Cross multiply
    17,772.20x = 26,658.30 × 16,677.80
  4. Step 4: Simplify right side
    17,772.20x = 444,601,795.74
  5. Step 5: Solve for x
    x = 444,601,795.74/17,772.20
  6. Step 6: Final answer
    x = 25,016.70

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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.