Home / 13,962.72-20,942.46-5,196.66

Finding the Fourth Proportional to 13,962.72, 20,942.46 and 5,196.66

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Solution

The fourth proportional to 13,962.72, 20,942.46 and 5,196.66 is: 7,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.72 : 20,942.46 = 5,196.66 : x
  2. Step 2: Convert to fraction form
    13,962.72/20,942.46 = 5,196.66/x
  3. Step 3: Cross multiply
    13,962.72x = 20,942.46 × 5,196.66
  4. Step 4: Simplify right side
    13,962.72x = 108,830,844.18
  5. Step 5: Solve for x
    x = 108,830,844.18/13,962.72
  6. Step 6: Final answer
    x = 7,794.39

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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.