Home / 19,114.44-28,660.50-7,413.99

Finding the Fourth Proportional to 19,114.44, 28,660.50 and 7,413.99

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Solution

The fourth proportional to 19,114.44, 28,660.50 and 7,413.99 is: 11,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.44 : 28,660.50 = 7,413.99 : x
  2. Step 2: Convert to fraction form
    19,114.44/28,660.50 = 7,413.99/x
  3. Step 3: Cross multiply
    19,114.44x = 28,660.50 × 7,413.99
  4. Step 4: Simplify right side
    19,114.44x = 212,488,660.40
  5. Step 5: Solve for x
    x = 212,488,660.40/19,114.44
  6. Step 6: Final answer
    x = 11,116.66

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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.