Home / 18,338.10-25,306.11-9,954.42

Finding the Fourth Proportional to 18,338.10, 25,306.11 and 9,954.42

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Solution

The fourth proportional to 18,338.10, 25,306.11 and 9,954.42 is: 13,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.10 : 25,306.11 = 9,954.42 : x
  2. Step 2: Convert to fraction form
    18,338.10/25,306.11 = 9,954.42/x
  3. Step 3: Cross multiply
    18,338.10x = 25,306.11 × 9,954.42
  4. Step 4: Simplify right side
    18,338.10x = 251,907,647.51
  5. Step 5: Solve for x
    x = 251,907,647.51/18,338.10
  6. Step 6: Final answer
    x = 13,736.85

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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.