Home / 13,701.56-18,908.22-7,413.95

Finding the Fourth Proportional to 13,701.56, 18,908.22 and 7,413.95

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Solution

The fourth proportional to 13,701.56, 18,908.22 and 7,413.95 is: 10,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.56 : 18,908.22 = 7,413.95 : x
  2. Step 2: Convert to fraction form
    13,701.56/18,908.22 = 7,413.95/x
  3. Step 3: Cross multiply
    13,701.56x = 18,908.22 × 7,413.95
  4. Step 4: Simplify right side
    13,701.56x = 140,184,597.67
  5. Step 5: Solve for x
    x = 140,184,597.67/13,701.56
  6. Step 6: Final answer
    x = 10,231.29

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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.