Home / 13,358.52-18,413.19-10,161.18

Finding the Fourth Proportional to 13,358.52, 18,413.19 and 10,161.18

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Solution

The fourth proportional to 13,358.52, 18,413.19 and 10,161.18 is: 14,006.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.52 : 18,413.19 = 10,161.18 : x
  2. Step 2: Convert to fraction form
    13,358.52/18,413.19 = 10,161.18/x
  3. Step 3: Cross multiply
    13,358.52x = 18,413.19 × 10,161.18
  4. Step 4: Simplify right side
    13,358.52x = 187,099,737.96
  5. Step 5: Solve for x
    x = 187,099,737.96/13,358.52
  6. Step 6: Final answer
    x = 14,006.02

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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.