Home / 18,452.54-25,453.14-13,149.07

Finding the Fourth Proportional to 18,452.54, 25,453.14 and 13,149.07

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Solution

The fourth proportional to 18,452.54, 25,453.14 and 13,149.07 is: 18,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.54 : 25,453.14 = 13,149.07 : x
  2. Step 2: Convert to fraction form
    18,452.54/25,453.14 = 13,149.07/x
  3. Step 3: Cross multiply
    18,452.54x = 25,453.14 × 13,149.07
  4. Step 4: Simplify right side
    18,452.54x = 334,685,119.58
  5. Step 5: Solve for x
    x = 334,685,119.58/18,452.54
  6. Step 6: Final answer
    x = 18,137.62

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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.