Home / 18,784.96-28,179.32-6,941.85

Finding the Fourth Proportional to 18,784.96, 28,179.32 and 6,941.85

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Solution

The fourth proportional to 18,784.96, 28,179.32 and 6,941.85 is: 10,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.96 : 28,179.32 = 6,941.85 : x
  2. Step 2: Convert to fraction form
    18,784.96/28,179.32 = 6,941.85/x
  3. Step 3: Cross multiply
    18,784.96x = 28,179.32 × 6,941.85
  4. Step 4: Simplify right side
    18,784.96x = 195,616,515.80
  5. Step 5: Solve for x
    x = 195,616,515.80/18,784.96
  6. Step 6: Final answer
    x = 10,413.46

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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.