Home / 22,591.56-33,880.20-21,117.42

Finding the Fourth Proportional to 22,591.56, 33,880.20 and 21,117.42

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Solution

The fourth proportional to 22,591.56, 33,880.20 and 21,117.42 is: 31,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591.56 : 33,880.20 = 21,117.42 : x
  2. Step 2: Convert to fraction form
    22,591.56/33,880.20 = 21,117.42/x
  3. Step 3: Cross multiply
    22,591.56x = 33,880.20 × 21,117.42
  4. Step 4: Simplify right side
    22,591.56x = 715,462,413.08
  5. Step 5: Solve for x
    x = 715,462,413.08/22,591.56
  6. Step 6: Final answer
    x = 31,669.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.