Home / 22,758.75-31,391.64-14,786.73

Finding the Fourth Proportional to 22,758.75, 31,391.64 and 14,786.73

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Solution

The fourth proportional to 22,758.75, 31,391.64 and 14,786.73 is: 20,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,758.75 : 31,391.64 = 14,786.73 : x
  2. Step 2: Convert to fraction form
    22,758.75/31,391.64 = 14,786.73/x
  3. Step 3: Cross multiply
    22,758.75x = 31,391.64 × 14,786.73
  4. Step 4: Simplify right side
    22,758.75x = 464,179,704.94
  5. Step 5: Solve for x
    x = 464,179,704.94/22,758.75
  6. Step 6: Final answer
    x = 20,395.66

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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.