Home / 18,338.25-25,306.80-9,954.75

Finding the Fourth Proportional to 18,338.25, 25,306.80 and 9,954.75

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Solution

The fourth proportional to 18,338.25, 25,306.80 and 9,954.75 is: 13,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.25 : 25,306.80 = 9,954.75 : x
  2. Step 2: Convert to fraction form
    18,338.25/25,306.80 = 9,954.75/x
  3. Step 3: Cross multiply
    18,338.25x = 25,306.80 × 9,954.75
  4. Step 4: Simplify right side
    18,338.25x = 251,922,867.30
  5. Step 5: Solve for x
    x = 251,922,867.30/18,338.25
  6. Step 6: Final answer
    x = 13,737.56

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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.