Home / 16,015.08-22,099.80-8,940.12

Finding the Fourth Proportional to 16,015.08, 22,099.80 and 8,940.12

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Solution

The fourth proportional to 16,015.08, 22,099.80 and 8,940.12 is: 12,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.08 : 22,099.80 = 8,940.12 : x
  2. Step 2: Convert to fraction form
    16,015.08/22,099.80 = 8,940.12/x
  3. Step 3: Cross multiply
    16,015.08x = 22,099.80 × 8,940.12
  4. Step 4: Simplify right side
    16,015.08x = 197,574,863.98
  5. Step 5: Solve for x
    x = 197,574,863.98/16,015.08
  6. Step 6: Final answer
    x = 12,336.80

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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.