Home / 19,956.60-29,979.45-16,676.10

Finding the Fourth Proportional to 19,956.60, 29,979.45 and 16,676.10

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Solution

The fourth proportional to 19,956.60, 29,979.45 and 16,676.10 is: 25,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.60 : 29,979.45 = 16,676.10 : x
  2. Step 2: Convert to fraction form
    19,956.60/29,979.45 = 16,676.10/x
  3. Step 3: Cross multiply
    19,956.60x = 29,979.45 × 16,676.10
  4. Step 4: Simplify right side
    19,956.60x = 499,940,306.15
  5. Step 5: Solve for x
    x = 499,940,306.15/19,956.60
  6. Step 6: Final answer
    x = 25,051.38

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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.