Home / 19,784.77-29,673.94-7,310.66

Finding the Fourth Proportional to 19,784.77, 29,673.94 and 7,310.66

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Solution

The fourth proportional to 19,784.77, 29,673.94 and 7,310.66 is: 10,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.77 : 29,673.94 = 7,310.66 : x
  2. Step 2: Convert to fraction form
    19,784.77/29,673.94 = 7,310.66/x
  3. Step 3: Cross multiply
    19,784.77x = 29,673.94 × 7,310.66
  4. Step 4: Simplify right side
    19,784.77x = 216,936,086.20
  5. Step 5: Solve for x
    x = 216,936,086.20/19,784.77
  6. Step 6: Final answer
    x = 10,964.80

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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.