Home / 13,413.38-20,114.64-4,050.50

Finding the Fourth Proportional to 13,413.38, 20,114.64 and 4,050.50

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Solution

The fourth proportional to 13,413.38, 20,114.64 and 4,050.50 is: 6,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.38 : 20,114.64 = 4,050.50 : x
  2. Step 2: Convert to fraction form
    13,413.38/20,114.64 = 4,050.50/x
  3. Step 3: Cross multiply
    13,413.38x = 20,114.64 × 4,050.50
  4. Step 4: Simplify right side
    13,413.38x = 81,474,349.32
  5. Step 5: Solve for x
    x = 81,474,349.32/13,413.38
  6. Step 6: Final answer
    x = 6,074.11

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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.