Home / 17,163.18-23,678.08-10,447.87

Finding the Fourth Proportional to 17,163.18, 23,678.08 and 10,447.87

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Solution

The fourth proportional to 17,163.18, 23,678.08 and 10,447.87 is: 14,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.18 : 23,678.08 = 10,447.87 : x
  2. Step 2: Convert to fraction form
    17,163.18/23,678.08 = 10,447.87/x
  3. Step 3: Cross multiply
    17,163.18x = 23,678.08 × 10,447.87
  4. Step 4: Simplify right side
    17,163.18x = 247,385,501.69
  5. Step 5: Solve for x
    x = 247,385,501.69/17,163.18
  6. Step 6: Final answer
    x = 14,413.73

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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.