Home / 19,766.76-29,653.38-8,076.84

Finding the Fourth Proportional to 19,766.76, 29,653.38 and 8,076.84

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Solution

The fourth proportional to 19,766.76, 29,653.38 and 8,076.84 is: 12,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.76 : 29,653.38 = 8,076.84 : x
  2. Step 2: Convert to fraction form
    19,766.76/29,653.38 = 8,076.84/x
  3. Step 3: Cross multiply
    19,766.76x = 29,653.38 × 8,076.84
  4. Step 4: Simplify right side
    19,766.76x = 239,505,605.72
  5. Step 5: Solve for x
    x = 239,505,605.72/19,766.76
  6. Step 6: Final answer
    x = 12,116.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.