Home / 14,161.53-21,242.20-3,631.53

Finding the Fourth Proportional to 14,161.53, 21,242.20 and 3,631.53

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Solution

The fourth proportional to 14,161.53, 21,242.20 and 3,631.53 is: 5,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.53 : 21,242.20 = 3,631.53 : x
  2. Step 2: Convert to fraction form
    14,161.53/21,242.20 = 3,631.53/x
  3. Step 3: Cross multiply
    14,161.53x = 21,242.20 × 3,631.53
  4. Step 4: Simplify right side
    14,161.53x = 77,141,686.57
  5. Step 5: Solve for x
    x = 77,141,686.57/14,161.53
  6. Step 6: Final answer
    x = 5,447.27

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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.