Home / 14,108.84-21,163.56-4,749.14

Finding the Fourth Proportional to 14,108.84, 21,163.56 and 4,749.14

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Solution

The fourth proportional to 14,108.84, 21,163.56 and 4,749.14 is: 7,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.84 : 21,163.56 = 4,749.14 : x
  2. Step 2: Convert to fraction form
    14,108.84/21,163.56 = 4,749.14/x
  3. Step 3: Cross multiply
    14,108.84x = 21,163.56 × 4,749.14
  4. Step 4: Simplify right side
    14,108.84x = 100,508,709.34
  5. Step 5: Solve for x
    x = 100,508,709.34/14,108.84
  6. Step 6: Final answer
    x = 7,123.81

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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.