Home / 19,193.09-28,780.92-8,093.72

Finding the Fourth Proportional to 19,193.09, 28,780.92 and 8,093.72

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Solution

The fourth proportional to 19,193.09, 28,780.92 and 8,093.72 is: 12,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.09 : 28,780.92 = 8,093.72 : x
  2. Step 2: Convert to fraction form
    19,193.09/28,780.92 = 8,093.72/x
  3. Step 3: Cross multiply
    19,193.09x = 28,780.92 × 8,093.72
  4. Step 4: Simplify right side
    19,193.09x = 232,944,779.77
  5. Step 5: Solve for x
    x = 232,944,779.77/19,193.09
  6. Step 6: Final answer
    x = 12,136.91

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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.