Home / 16,197.12-22,320.72-11,712.96

Finding the Fourth Proportional to 16,197.12, 22,320.72 and 11,712.96

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Solution

The fourth proportional to 16,197.12, 22,320.72 and 11,712.96 is: 16,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,197.12 : 22,320.72 = 11,712.96 : x
  2. Step 2: Convert to fraction form
    16,197.12/22,320.72 = 11,712.96/x
  3. Step 3: Cross multiply
    16,197.12x = 22,320.72 × 11,712.96
  4. Step 4: Simplify right side
    16,197.12x = 261,441,700.53
  5. Step 5: Solve for x
    x = 261,441,700.53/16,197.12
  6. Step 6: Final answer
    x = 16,141.25

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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.