Home / 18,338.68-25,311.54-11,633.56

Finding the Fourth Proportional to 18,338.68, 25,311.54 and 11,633.56

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Solution

The fourth proportional to 18,338.68, 25,311.54 and 11,633.56 is: 16,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.68 : 25,311.54 = 11,633.56 : x
  2. Step 2: Convert to fraction form
    18,338.68/25,311.54 = 11,633.56/x
  3. Step 3: Cross multiply
    18,338.68x = 25,311.54 × 11,633.56
  4. Step 4: Simplify right side
    18,338.68x = 294,463,319.28
  5. Step 5: Solve for x
    x = 294,463,319.28/18,338.68
  6. Step 6: Final answer
    x = 16,056.95

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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.