Home / 15,976.42-22,048.13-8,902.82

Finding the Fourth Proportional to 15,976.42, 22,048.13 and 8,902.82

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Solution

The fourth proportional to 15,976.42, 22,048.13 and 8,902.82 is: 12,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.42 : 22,048.13 = 8,902.82 : x
  2. Step 2: Convert to fraction form
    15,976.42/22,048.13 = 8,902.82/x
  3. Step 3: Cross multiply
    15,976.42x = 22,048.13 × 8,902.82
  4. Step 4: Simplify right side
    15,976.42x = 196,290,532.73
  5. Step 5: Solve for x
    x = 196,290,532.73/15,976.42
  6. Step 6: Final answer
    x = 12,286.27

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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.