Home / 14,512.56-21,768.84-4,122.96

Finding the Fourth Proportional to 14,512.56, 21,768.84 and 4,122.96

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Solution

The fourth proportional to 14,512.56, 21,768.84 and 4,122.96 is: 6,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.56 : 21,768.84 = 4,122.96 : x
  2. Step 2: Convert to fraction form
    14,512.56/21,768.84 = 4,122.96/x
  3. Step 3: Cross multiply
    14,512.56x = 21,768.84 × 4,122.96
  4. Step 4: Simplify right side
    14,512.56x = 89,752,056.57
  5. Step 5: Solve for x
    x = 89,752,056.57/14,512.56
  6. Step 6: Final answer
    x = 6,184.44

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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.