Home / 19,286.79-26,634.74-13,333.83

Finding the Fourth Proportional to 19,286.79, 26,634.74 and 13,333.83

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Solution

The fourth proportional to 19,286.79, 26,634.74 and 13,333.83 is: 18,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.79 : 26,634.74 = 13,333.83 : x
  2. Step 2: Convert to fraction form
    19,286.79/26,634.74 = 13,333.83/x
  3. Step 3: Cross multiply
    19,286.79x = 26,634.74 × 13,333.83
  4. Step 4: Simplify right side
    19,286.79x = 355,143,028.59
  5. Step 5: Solve for x
    x = 355,143,028.59/19,286.79
  6. Step 6: Final answer
    x = 18,413.80

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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.