Home / 13,984.33-20,971.50-4,622.62

Finding the Fourth Proportional to 13,984.33, 20,971.50 and 4,622.62

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Solution

The fourth proportional to 13,984.33, 20,971.50 and 4,622.62 is: 6,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.33 : 20,971.50 = 4,622.62 : x
  2. Step 2: Convert to fraction form
    13,984.33/20,971.50 = 4,622.62/x
  3. Step 3: Cross multiply
    13,984.33x = 20,971.50 × 4,622.62
  4. Step 4: Simplify right side
    13,984.33x = 96,943,257.89
  5. Step 5: Solve for x
    x = 96,943,257.89/13,984.33
  6. Step 6: Final answer
    x = 6,932.28

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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.