Home / 18,338.36-25,306.26-9,954.68

Finding the Fourth Proportional to 18,338.36, 25,306.26 and 9,954.68

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Solution

The fourth proportional to 18,338.36, 25,306.26 and 9,954.68 is: 13,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.36 : 25,306.26 = 9,954.68 : x
  2. Step 2: Convert to fraction form
    18,338.36/25,306.26 = 9,954.68/x
  3. Step 3: Cross multiply
    18,338.36x = 25,306.26 × 9,954.68
  4. Step 4: Simplify right side
    18,338.36x = 251,915,720.30
  5. Step 5: Solve for x
    x = 251,915,720.30/18,338.36
  6. Step 6: Final answer
    x = 13,737.09

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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.