Home / 19,784.34-29,676.51-16,843.86

Finding the Fourth Proportional to 19,784.34, 29,676.51 and 16,843.86

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Solution

The fourth proportional to 19,784.34, 29,676.51 and 16,843.86 is: 25,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.34 : 29,676.51 = 16,843.86 : x
  2. Step 2: Convert to fraction form
    19,784.34/29,676.51 = 16,843.86/x
  3. Step 3: Cross multiply
    19,784.34x = 29,676.51 × 16,843.86
  4. Step 4: Simplify right side
    19,784.34x = 499,866,979.73
  5. Step 5: Solve for x
    x = 499,866,979.73/19,784.34
  6. Step 6: Final answer
    x = 25,265.79

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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.