Home / 14,413.96-21,613.56-6,616

Finding the Fourth Proportional to 14,413.96, 21,613.56 and 6,616

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Solution

The fourth proportional to 14,413.96, 21,613.56 and 6,616 is: 9,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.96 : 21,613.56 = 6,616 : x
  2. Step 2: Convert to fraction form
    14,413.96/21,613.56 = 6,616/x
  3. Step 3: Cross multiply
    14,413.96x = 21,613.56 × 6,616
  4. Step 4: Simplify right side
    14,413.96x = 142,995,312.96
  5. Step 5: Solve for x
    x = 142,995,312.96/14,413.96
  6. Step 6: Final answer
    x = 9,920.61

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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.