Home / 13,382.17-18,466.66-7,413.48

Finding the Fourth Proportional to 13,382.17, 18,466.66 and 7,413.48

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Solution

The fourth proportional to 13,382.17, 18,466.66 and 7,413.48 is: 10,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.17 : 18,466.66 = 7,413.48 : x
  2. Step 2: Convert to fraction form
    13,382.17/18,466.66 = 7,413.48/x
  3. Step 3: Cross multiply
    13,382.17x = 18,466.66 × 7,413.48
  4. Step 4: Simplify right side
    13,382.17x = 136,902,214.58
  5. Step 5: Solve for x
    x = 136,902,214.58/13,382.17
  6. Step 6: Final answer
    x = 10,230.20

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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.