Home / 13,413.83-20,112.86-4,051.04

Finding the Fourth Proportional to 13,413.83, 20,112.86 and 4,051.04

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Solution

The fourth proportional to 13,413.83, 20,112.86 and 4,051.04 is: 6,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.83 : 20,112.86 = 4,051.04 : x
  2. Step 2: Convert to fraction form
    13,413.83/20,112.86 = 4,051.04/x
  3. Step 3: Cross multiply
    13,413.83x = 20,112.86 × 4,051.04
  4. Step 4: Simplify right side
    13,413.83x = 81,477,909.94
  5. Step 5: Solve for x
    x = 81,477,909.94/13,413.83
  6. Step 6: Final answer
    x = 6,074.17

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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.