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Finding the Fourth Proportional to 14,814.30, 22,210.94 and 7,413.44

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Solution

The fourth proportional to 14,814.30, 22,210.94 and 7,413.44 is: 11,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.30 : 22,210.94 = 7,413.44 : x
  2. Step 2: Convert to fraction form
    14,814.30/22,210.94 = 7,413.44/x
  3. Step 3: Cross multiply
    14,814.30x = 22,210.94 × 7,413.44
  4. Step 4: Simplify right side
    14,814.30x = 164,659,471.03
  5. Step 5: Solve for x
    x = 164,659,471.03/14,814.30
  6. Step 6: Final answer
    x = 11,114.90

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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.