Home / 13,413.12-18,497.22-8,034.71

Finding the Fourth Proportional to 13,413.12, 18,497.22 and 8,034.71

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Solution

The fourth proportional to 13,413.12, 18,497.22 and 8,034.71 is: 11,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.12 : 18,497.22 = 8,034.71 : x
  2. Step 2: Convert to fraction form
    13,413.12/18,497.22 = 8,034.71/x
  3. Step 3: Cross multiply
    13,413.12x = 18,497.22 × 8,034.71
  4. Step 4: Simplify right side
    13,413.12x = 148,619,706.02
  5. Step 5: Solve for x
    x = 148,619,706.02/13,413.12
  6. Step 6: Final answer
    x = 11,080.17

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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.