Home / 18,296.04-25,249.11-10,338.78

Finding the Fourth Proportional to 18,296.04, 25,249.11 and 10,338.78

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Solution

The fourth proportional to 18,296.04, 25,249.11 and 10,338.78 is: 14,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.04 : 25,249.11 = 10,338.78 : x
  2. Step 2: Convert to fraction form
    18,296.04/25,249.11 = 10,338.78/x
  3. Step 3: Cross multiply
    18,296.04x = 25,249.11 × 10,338.78
  4. Step 4: Simplify right side
    18,296.04x = 261,044,993.49
  5. Step 5: Solve for x
    x = 261,044,993.49/18,296.04
  6. Step 6: Final answer
    x = 14,267.84

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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.