Home / 18,306.06-25,262.19-9,922.38

Finding the Fourth Proportional to 18,306.06, 25,262.19 and 9,922.38

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Solution

The fourth proportional to 18,306.06, 25,262.19 and 9,922.38 is: 13,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.06 : 25,262.19 = 9,922.38 : x
  2. Step 2: Convert to fraction form
    18,306.06/25,262.19 = 9,922.38/x
  3. Step 3: Cross multiply
    18,306.06x = 25,262.19 × 9,922.38
  4. Step 4: Simplify right side
    18,306.06x = 250,661,048.81
  5. Step 5: Solve for x
    x = 250,661,048.81/18,306.06
  6. Step 6: Final answer
    x = 13,692.79

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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.