Home / 19,511.45-29,260.16-8,413.37

Finding the Fourth Proportional to 19,511.45, 29,260.16 and 8,413.37

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Solution

The fourth proportional to 19,511.45, 29,260.16 and 8,413.37 is: 12,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.45 : 29,260.16 = 8,413.37 : x
  2. Step 2: Convert to fraction form
    19,511.45/29,260.16 = 8,413.37/x
  3. Step 3: Cross multiply
    19,511.45x = 29,260.16 × 8,413.37
  4. Step 4: Simplify right side
    19,511.45x = 246,176,510.27
  5. Step 5: Solve for x
    x = 246,176,510.27/19,511.45
  6. Step 6: Final answer
    x = 12,617.03

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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.