Home / 16,067.40-22,173.84-8,897.28

Finding the Fourth Proportional to 16,067.40, 22,173.84 and 8,897.28

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Solution

The fourth proportional to 16,067.40, 22,173.84 and 8,897.28 is: 12,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,067.40 : 22,173.84 = 8,897.28 : x
  2. Step 2: Convert to fraction form
    16,067.40/22,173.84 = 8,897.28/x
  3. Step 3: Cross multiply
    16,067.40x = 22,173.84 × 8,897.28
  4. Step 4: Simplify right side
    16,067.40x = 197,286,863.16
  5. Step 5: Solve for x
    x = 197,286,863.16/16,067.40
  6. Step 6: Final answer
    x = 12,278.70

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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.