Home / 15,902.46-21,945.06-8,828.73

Finding the Fourth Proportional to 15,902.46, 21,945.06 and 8,828.73

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Solution

The fourth proportional to 15,902.46, 21,945.06 and 8,828.73 is: 12,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.46 : 21,945.06 = 8,828.73 : x
  2. Step 2: Convert to fraction form
    15,902.46/21,945.06 = 8,828.73/x
  3. Step 3: Cross multiply
    15,902.46x = 21,945.06 × 8,828.73
  4. Step 4: Simplify right side
    15,902.46x = 193,747,009.57
  5. Step 5: Solve for x
    x = 193,747,009.57/15,902.46
  6. Step 6: Final answer
    x = 12,183.46

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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.