Home / 19,184.28-28,766.77-11,181.62

Finding the Fourth Proportional to 19,184.28, 28,766.77 and 11,181.62

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Solution

The fourth proportional to 19,184.28, 28,766.77 and 11,181.62 is: 16,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.28 : 28,766.77 = 11,181.62 : x
  2. Step 2: Convert to fraction form
    19,184.28/28,766.77 = 11,181.62/x
  3. Step 3: Cross multiply
    19,184.28x = 28,766.77 × 11,181.62
  4. Step 4: Simplify right side
    19,184.28x = 321,658,972.92
  5. Step 5: Solve for x
    x = 321,658,972.92/19,184.28
  6. Step 6: Final answer
    x = 16,766.80

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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.