Home / 18,306.36-25,262.10-9,922.68

Finding the Fourth Proportional to 18,306.36, 25,262.10 and 9,922.68

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Solution

The fourth proportional to 18,306.36, 25,262.10 and 9,922.68 is: 13,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.36 : 25,262.10 = 9,922.68 : x
  2. Step 2: Convert to fraction form
    18,306.36/25,262.10 = 9,922.68/x
  3. Step 3: Cross multiply
    18,306.36x = 25,262.10 × 9,922.68
  4. Step 4: Simplify right side
    18,306.36x = 250,667,734.43
  5. Step 5: Solve for x
    x = 250,667,734.43/18,306.36
  6. Step 6: Final answer
    x = 13,692.93

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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.