Home / 14,836.33-20,474.38-8,121.85

Finding the Fourth Proportional to 14,836.33, 20,474.38 and 8,121.85

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Solution

The fourth proportional to 14,836.33, 20,474.38 and 8,121.85 is: 11,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.33 : 20,474.38 = 8,121.85 : x
  2. Step 2: Convert to fraction form
    14,836.33/20,474.38 = 8,121.85/x
  3. Step 3: Cross multiply
    14,836.33x = 20,474.38 × 8,121.85
  4. Step 4: Simplify right side
    14,836.33x = 166,289,802.17
  5. Step 5: Solve for x
    x = 166,289,802.17/14,836.33
  6. Step 6: Final answer
    x = 11,208.28

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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.