Home / 18,504.06-25,536.24-10,120.56

Finding the Fourth Proportional to 18,504.06, 25,536.24 and 10,120.56

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Solution

The fourth proportional to 18,504.06, 25,536.24 and 10,120.56 is: 13,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.06 : 25,536.24 = 10,120.56 : x
  2. Step 2: Convert to fraction form
    18,504.06/25,536.24 = 10,120.56/x
  3. Step 3: Cross multiply
    18,504.06x = 25,536.24 × 10,120.56
  4. Step 4: Simplify right side
    18,504.06x = 258,441,049.09
  5. Step 5: Solve for x
    x = 258,441,049.09/18,504.06
  6. Step 6: Final answer
    x = 13,966.72

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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.