Home / 19,779.73-27,296.67-10,827.88

Finding the Fourth Proportional to 19,779.73, 27,296.67 and 10,827.88

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Solution

The fourth proportional to 19,779.73, 27,296.67 and 10,827.88 is: 14,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.73 : 27,296.67 = 10,827.88 : x
  2. Step 2: Convert to fraction form
    19,779.73/27,296.67 = 10,827.88/x
  3. Step 3: Cross multiply
    19,779.73x = 27,296.67 × 10,827.88
  4. Step 4: Simplify right side
    19,779.73x = 295,565,067.16
  5. Step 5: Solve for x
    x = 295,565,067.16/19,779.73
  6. Step 6: Final answer
    x = 14,942.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.