Home / 23,072.25-31,837.55-12,999.03

Finding the Fourth Proportional to 23,072.25, 31,837.55 and 12,999.03

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Solution

The fourth proportional to 23,072.25, 31,837.55 and 12,999.03 is: 17,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,072.25 : 31,837.55 = 12,999.03 : x
  2. Step 2: Convert to fraction form
    23,072.25/31,837.55 = 12,999.03/x
  3. Step 3: Cross multiply
    23,072.25x = 31,837.55 × 12,999.03
  4. Step 4: Simplify right side
    23,072.25x = 413,857,202.58
  5. Step 5: Solve for x
    x = 413,857,202.58/23,072.25
  6. Step 6: Final answer
    x = 17,937.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.