Home / 13,341.38-18,413.66-8,796.08

Finding the Fourth Proportional to 13,341.38, 18,413.66 and 8,796.08

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Solution

The fourth proportional to 13,341.38, 18,413.66 and 8,796.08 is: 12,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.38 : 18,413.66 = 8,796.08 : x
  2. Step 2: Convert to fraction form
    13,341.38/18,413.66 = 8,796.08/x
  3. Step 3: Cross multiply
    13,341.38x = 18,413.66 × 8,796.08
  4. Step 4: Simplify right side
    13,341.38x = 161,968,028.51
  5. Step 5: Solve for x
    x = 161,968,028.51/13,341.38
  6. Step 6: Final answer
    x = 12,140.27

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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.