Home / 14,413.82-19,891.06-8,126.18

Finding the Fourth Proportional to 14,413.82, 19,891.06 and 8,126.18

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Solution

The fourth proportional to 14,413.82, 19,891.06 and 8,126.18 is: 11,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.82 : 19,891.06 = 8,126.18 : x
  2. Step 2: Convert to fraction form
    14,413.82/19,891.06 = 8,126.18/x
  3. Step 3: Cross multiply
    14,413.82x = 19,891.06 × 8,126.18
  4. Step 4: Simplify right side
    14,413.82x = 161,638,333.95
  5. Step 5: Solve for x
    x = 161,638,333.95/14,413.82
  6. Step 6: Final answer
    x = 11,214.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.