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Finding the Fourth Proportional to 16,373.98, 22,596.09 and 8,921.98

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Solution

The fourth proportional to 16,373.98, 22,596.09 and 8,921.98 is: 12,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,373.98 : 22,596.09 = 8,921.98 : x
  2. Step 2: Convert to fraction form
    16,373.98/22,596.09 = 8,921.98/x
  3. Step 3: Cross multiply
    16,373.98x = 22,596.09 × 8,921.98
  4. Step 4: Simplify right side
    16,373.98x = 201,601,885.36
  5. Step 5: Solve for x
    x = 201,601,885.36/16,373.98
  6. Step 6: Final answer
    x = 12,312.33

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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.