Home / 18,583.44-25,653.87-12,461.56

Finding the Fourth Proportional to 18,583.44, 25,653.87 and 12,461.56

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Solution

The fourth proportional to 18,583.44, 25,653.87 and 12,461.56 is: 17,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.44 : 25,653.87 = 12,461.56 : x
  2. Step 2: Convert to fraction form
    18,583.44/25,653.87 = 12,461.56/x
  3. Step 3: Cross multiply
    18,583.44x = 25,653.87 × 12,461.56
  4. Step 4: Simplify right side
    18,583.44x = 319,687,049.66
  5. Step 5: Solve for x
    x = 319,687,049.66/18,583.44
  6. Step 6: Final answer
    x = 17,202.80

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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.