Home / 23,078.20-31,847.95-12,467.84

Finding the Fourth Proportional to 23,078.20, 31,847.95 and 12,467.84

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Solution

The fourth proportional to 23,078.20, 31,847.95 and 12,467.84 is: 17,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.20 : 31,847.95 = 12,467.84 : x
  2. Step 2: Convert to fraction form
    23,078.20/31,847.95 = 12,467.84/x
  3. Step 3: Cross multiply
    23,078.20x = 31,847.95 × 12,467.84
  4. Step 4: Simplify right side
    23,078.20x = 397,074,923.35
  5. Step 5: Solve for x
    x = 397,074,923.35/23,078.20
  6. Step 6: Final answer
    x = 17,205.63

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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.