Home / 13,413.25-20,113.33-4,051.47

Finding the Fourth Proportional to 13,413.25, 20,113.33 and 4,051.47

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Solution

The fourth proportional to 13,413.25, 20,113.33 and 4,051.47 is: 6,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.25 : 20,113.33 = 4,051.47 : x
  2. Step 2: Convert to fraction form
    13,413.25/20,113.33 = 4,051.47/x
  3. Step 3: Cross multiply
    13,413.25x = 20,113.33 × 4,051.47
  4. Step 4: Simplify right side
    13,413.25x = 81,488,553.10
  5. Step 5: Solve for x
    x = 81,488,553.10/13,413.25
  6. Step 6: Final answer
    x = 6,075.23

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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.