Home / 19,568.61-29,340.14-12,884.88

Finding the Fourth Proportional to 19,568.61, 29,340.14 and 12,884.88

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Solution

The fourth proportional to 19,568.61, 29,340.14 and 12,884.88 is: 19,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,568.61 : 29,340.14 = 12,884.88 : x
  2. Step 2: Convert to fraction form
    19,568.61/29,340.14 = 12,884.88/x
  3. Step 3: Cross multiply
    19,568.61x = 29,340.14 × 12,884.88
  4. Step 4: Simplify right side
    19,568.61x = 378,044,183.08
  5. Step 5: Solve for x
    x = 378,044,183.08/19,568.61
  6. Step 6: Final answer
    x = 19,318.91

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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.