Home / 14,245.92-21,367.20-8,965.36

Finding the Fourth Proportional to 14,245.92, 21,367.20 and 8,965.36

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Solution

The fourth proportional to 14,245.92, 21,367.20 and 8,965.36 is: 13,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.92 : 21,367.20 = 8,965.36 : x
  2. Step 2: Convert to fraction form
    14,245.92/21,367.20 = 8,965.36/x
  3. Step 3: Cross multiply
    14,245.92x = 21,367.20 × 8,965.36
  4. Step 4: Simplify right side
    14,245.92x = 191,564,640.19
  5. Step 5: Solve for x
    x = 191,564,640.19/14,245.92
  6. Step 6: Final answer
    x = 13,446.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.