Home / 18,629.26-25,719.33-11,559.58

Finding the Fourth Proportional to 18,629.26, 25,719.33 and 11,559.58

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Solution

The fourth proportional to 18,629.26, 25,719.33 and 11,559.58 is: 15,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.26 : 25,719.33 = 11,559.58 : x
  2. Step 2: Convert to fraction form
    18,629.26/25,719.33 = 11,559.58/x
  3. Step 3: Cross multiply
    18,629.26x = 25,719.33 × 11,559.58
  4. Step 4: Simplify right side
    18,629.26x = 297,304,652.68
  5. Step 5: Solve for x
    x = 297,304,652.68/18,629.26
  6. Step 6: Final answer
    x = 15,959.02

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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.