Home / 13,971.84-20,962.10-4,843.86

Finding the Fourth Proportional to 13,971.84, 20,962.10 and 4,843.86

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Solution

The fourth proportional to 13,971.84, 20,962.10 and 4,843.86 is: 7,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.84 : 20,962.10 = 4,843.86 : x
  2. Step 2: Convert to fraction form
    13,971.84/20,962.10 = 4,843.86/x
  3. Step 3: Cross multiply
    13,971.84x = 20,962.10 × 4,843.86
  4. Step 4: Simplify right side
    13,971.84x = 101,537,453.49
  5. Step 5: Solve for x
    x = 101,537,453.49/13,971.84
  6. Step 6: Final answer
    x = 7,267.29

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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.