Home / 16,990.62-23,447.35-9,333.83

Finding the Fourth Proportional to 16,990.62, 23,447.35 and 9,333.83

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Solution

The fourth proportional to 16,990.62, 23,447.35 and 9,333.83 is: 12,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.62 : 23,447.35 = 9,333.83 : x
  2. Step 2: Convert to fraction form
    16,990.62/23,447.35 = 9,333.83/x
  3. Step 3: Cross multiply
    16,990.62x = 23,447.35 × 9,333.83
  4. Step 4: Simplify right side
    16,990.62x = 218,853,649.14
  5. Step 5: Solve for x
    x = 218,853,649.14/16,990.62
  6. Step 6: Final answer
    x = 12,880.85

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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.