Home / 14,367.68-19,826.99-8,705.78

Finding the Fourth Proportional to 14,367.68, 19,826.99 and 8,705.78

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Solution

The fourth proportional to 14,367.68, 19,826.99 and 8,705.78 is: 12,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367.68 : 19,826.99 = 8,705.78 : x
  2. Step 2: Convert to fraction form
    14,367.68/19,826.99 = 8,705.78/x
  3. Step 3: Cross multiply
    14,367.68x = 19,826.99 × 8,705.78
  4. Step 4: Simplify right side
    14,367.68x = 172,609,413.00
  5. Step 5: Solve for x
    x = 172,609,413.00/14,367.68
  6. Step 6: Final answer
    x = 12,013.73

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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.