Home / 18,609.48-25,680.24-11,536.56

Finding the Fourth Proportional to 18,609.48, 25,680.24 and 11,536.56

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Solution

The fourth proportional to 18,609.48, 25,680.24 and 11,536.56 is: 15,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.48 : 25,680.24 = 11,536.56 : x
  2. Step 2: Convert to fraction form
    18,609.48/25,680.24 = 11,536.56/x
  3. Step 3: Cross multiply
    18,609.48x = 25,680.24 × 11,536.56
  4. Step 4: Simplify right side
    18,609.48x = 296,261,629.57
  5. Step 5: Solve for x
    x = 296,261,629.57/18,609.48
  6. Step 6: Final answer
    x = 15,919.93

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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.