Home / 16,279.32-24,419.04-6,413.28

Finding the Fourth Proportional to 16,279.32, 24,419.04 and 6,413.28

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Solution

The fourth proportional to 16,279.32, 24,419.04 and 6,413.28 is: 9,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.32 : 24,419.04 = 6,413.28 : x
  2. Step 2: Convert to fraction form
    16,279.32/24,419.04 = 6,413.28/x
  3. Step 3: Cross multiply
    16,279.32x = 24,419.04 × 6,413.28
  4. Step 4: Simplify right side
    16,279.32x = 156,606,140.85
  5. Step 5: Solve for x
    x = 156,606,140.85/16,279.32
  6. Step 6: Final answer
    x = 9,619.94

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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.