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Finding the Fourth Proportional to 18,296.69, 25,246.69 and 10,338.84

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Solution

The fourth proportional to 18,296.69, 25,246.69 and 10,338.84 is: 14,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.69 : 25,246.69 = 10,338.84 : x
  2. Step 2: Convert to fraction form
    18,296.69/25,246.69 = 10,338.84/x
  3. Step 3: Cross multiply
    18,296.69x = 25,246.69 × 10,338.84
  4. Step 4: Simplify right side
    18,296.69x = 261,021,462.59
  5. Step 5: Solve for x
    x = 261,021,462.59/18,296.69
  6. Step 6: Final answer
    x = 14,266.05

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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.