Home / 22,704.69-31,327.77-13,271.43

Finding the Fourth Proportional to 22,704.69, 31,327.77 and 13,271.43

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Solution

The fourth proportional to 22,704.69, 31,327.77 and 13,271.43 is: 18,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.69 : 31,327.77 = 13,271.43 : x
  2. Step 2: Convert to fraction form
    22,704.69/31,327.77 = 13,271.43/x
  3. Step 3: Cross multiply
    22,704.69x = 31,327.77 × 13,271.43
  4. Step 4: Simplify right side
    22,704.69x = 415,764,149.97
  5. Step 5: Solve for x
    x = 415,764,149.97/22,704.69
  6. Step 6: Final answer
    x = 18,311.82

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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.