Home / 14,270.18-21,408.50-7,696.22

Finding the Fourth Proportional to 14,270.18, 21,408.50 and 7,696.22

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Solution

The fourth proportional to 14,270.18, 21,408.50 and 7,696.22 is: 11,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.18 : 21,408.50 = 7,696.22 : x
  2. Step 2: Convert to fraction form
    14,270.18/21,408.50 = 7,696.22/x
  3. Step 3: Cross multiply
    14,270.18x = 21,408.50 × 7,696.22
  4. Step 4: Simplify right side
    14,270.18x = 164,764,380.35
  5. Step 5: Solve for x
    x = 164,764,380.35/14,270.18
  6. Step 6: Final answer
    x = 11,546.07

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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.