Home / 13,975.62-20,963.37-4,114.89

Finding the Fourth Proportional to 13,975.62, 20,963.37 and 4,114.89

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Solution

The fourth proportional to 13,975.62, 20,963.37 and 4,114.89 is: 6,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.62 : 20,963.37 = 4,114.89 : x
  2. Step 2: Convert to fraction form
    13,975.62/20,963.37 = 4,114.89/x
  3. Step 3: Cross multiply
    13,975.62x = 20,963.37 × 4,114.89
  4. Step 4: Simplify right side
    13,975.62x = 86,261,961.58
  5. Step 5: Solve for x
    x = 86,261,961.58/13,975.62
  6. Step 6: Final answer
    x = 6,172.32

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1.5x scale

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.