Home / 19,185.66-28,782.42-8,092.38

Finding the Fourth Proportional to 19,185.66, 28,782.42 and 8,092.38

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Solution

The fourth proportional to 19,185.66, 28,782.42 and 8,092.38 is: 12,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.66 : 28,782.42 = 8,092.38 : x
  2. Step 2: Convert to fraction form
    19,185.66/28,782.42 = 8,092.38/x
  3. Step 3: Cross multiply
    19,185.66x = 28,782.42 × 8,092.38
  4. Step 4: Simplify right side
    19,185.66x = 232,918,279.96
  5. Step 5: Solve for x
    x = 232,918,279.96/19,185.66
  6. Step 6: Final answer
    x = 12,140.23

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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.