Home / 14,067.96-21,108.84-8,801.64

Finding the Fourth Proportional to 14,067.96, 21,108.84 and 8,801.64

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Solution

The fourth proportional to 14,067.96, 21,108.84 and 8,801.64 is: 13,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.96 : 21,108.84 = 8,801.64 : x
  2. Step 2: Convert to fraction form
    14,067.96/21,108.84 = 8,801.64/x
  3. Step 3: Cross multiply
    14,067.96x = 21,108.84 × 8,801.64
  4. Step 4: Simplify right side
    14,067.96x = 185,792,410.50
  5. Step 5: Solve for x
    x = 185,792,410.50/14,067.96
  6. Step 6: Final answer
    x = 13,206.78

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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.