Home / 16,217.36-22,379.94-8,765.36

Finding the Fourth Proportional to 16,217.36, 22,379.94 and 8,765.36

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Solution

The fourth proportional to 16,217.36, 22,379.94 and 8,765.36 is: 12,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.36 : 22,379.94 = 8,765.36 : x
  2. Step 2: Convert to fraction form
    16,217.36/22,379.94 = 8,765.36/x
  3. Step 3: Cross multiply
    16,217.36x = 22,379.94 × 8,765.36
  4. Step 4: Simplify right side
    16,217.36x = 196,168,118.98
  5. Step 5: Solve for x
    x = 196,168,118.98/16,217.36
  6. Step 6: Final answer
    x = 12,096.18

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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.