Home / 14,634.36-21,942.42-4,772.21

Finding the Fourth Proportional to 14,634.36, 21,942.42 and 4,772.21

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Solution

The fourth proportional to 14,634.36, 21,942.42 and 4,772.21 is: 7,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.36 : 21,942.42 = 4,772.21 : x
  2. Step 2: Convert to fraction form
    14,634.36/21,942.42 = 4,772.21/x
  3. Step 3: Cross multiply
    14,634.36x = 21,942.42 × 4,772.21
  4. Step 4: Simplify right side
    14,634.36x = 104,713,726.44
  5. Step 5: Solve for x
    x = 104,713,726.44/14,634.36
  6. Step 6: Final answer
    x = 7,155.33

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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.