Home / 14,836.69-20,474.67-8,122.37

Finding the Fourth Proportional to 14,836.69, 20,474.67 and 8,122.37

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Solution

The fourth proportional to 14,836.69, 20,474.67 and 8,122.37 is: 11,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.69 : 20,474.67 = 8,122.37 : x
  2. Step 2: Convert to fraction form
    14,836.69/20,474.67 = 8,122.37/x
  3. Step 3: Cross multiply
    14,836.69x = 20,474.67 × 8,122.37
  4. Step 4: Simplify right side
    14,836.69x = 166,302,742.99
  5. Step 5: Solve for x
    x = 166,302,742.99/14,836.69
  6. Step 6: Final answer
    x = 11,208.88

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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.