Home / 18,942.30-28,413.54-5,794.65

Finding the Fourth Proportional to 18,942.30, 28,413.54 and 5,794.65

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Solution

The fourth proportional to 18,942.30, 28,413.54 and 5,794.65 is: 8,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.30 : 28,413.54 = 5,794.65 : x
  2. Step 2: Convert to fraction form
    18,942.30/28,413.54 = 5,794.65/x
  3. Step 3: Cross multiply
    18,942.30x = 28,413.54 × 5,794.65
  4. Step 4: Simplify right side
    18,942.30x = 164,646,519.56
  5. Step 5: Solve for x
    x = 164,646,519.56/18,942.30
  6. Step 6: Final answer
    x = 8,692.00

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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.