Home / 18,166.90-27,254.40-7,072.60

Finding the Fourth Proportional to 18,166.90, 27,254.40 and 7,072.60

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Solution

The fourth proportional to 18,166.90, 27,254.40 and 7,072.60 is: 10,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.90 : 27,254.40 = 7,072.60 : x
  2. Step 2: Convert to fraction form
    18,166.90/27,254.40 = 7,072.60/x
  3. Step 3: Cross multiply
    18,166.90x = 27,254.40 × 7,072.60
  4. Step 4: Simplify right side
    18,166.90x = 192,759,469.44
  5. Step 5: Solve for x
    x = 192,759,469.44/18,166.90
  6. Step 6: Final answer
    x = 10,610.48

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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.