Home / 16,269.12-22,451.40-8,817.12

Finding the Fourth Proportional to 16,269.12, 22,451.40 and 8,817.12

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Solution

The fourth proportional to 16,269.12, 22,451.40 and 8,817.12 is: 12,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,269.12 : 22,451.40 = 8,817.12 : x
  2. Step 2: Convert to fraction form
    16,269.12/22,451.40 = 8,817.12/x
  3. Step 3: Cross multiply
    16,269.12x = 22,451.40 × 8,817.12
  4. Step 4: Simplify right side
    16,269.12x = 197,956,687.97
  5. Step 5: Solve for x
    x = 197,956,687.97/16,269.12
  6. Step 6: Final answer
    x = 12,167.63

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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.