Home / 19,182.60-28,777.82-8,089.30

Finding the Fourth Proportional to 19,182.60, 28,777.82 and 8,089.30

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Solution

The fourth proportional to 19,182.60, 28,777.82 and 8,089.30 is: 12,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.60 : 28,777.82 = 8,089.30 : x
  2. Step 2: Convert to fraction form
    19,182.60/28,777.82 = 8,089.30/x
  3. Step 3: Cross multiply
    19,182.60x = 28,777.82 × 8,089.30
  4. Step 4: Simplify right side
    19,182.60x = 232,792,419.33
  5. Step 5: Solve for x
    x = 232,792,419.33/19,182.60
  6. Step 6: Final answer
    x = 12,135.60

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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.