Home / 22,725.72-31,352.94-16,771.64

Finding the Fourth Proportional to 22,725.72, 31,352.94 and 16,771.64

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Solution

The fourth proportional to 22,725.72, 31,352.94 and 16,771.64 is: 23,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.72 : 31,352.94 = 16,771.64 : x
  2. Step 2: Convert to fraction form
    22,725.72/31,352.94 = 16,771.64/x
  3. Step 3: Cross multiply
    22,725.72x = 31,352.94 × 16,771.64
  4. Step 4: Simplify right side
    22,725.72x = 525,840,222.62
  5. Step 5: Solve for x
    x = 525,840,222.62/22,725.72
  6. Step 6: Final answer
    x = 23,138.55

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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.