Home / 19,092.69-28,633.50-7,999.07

Finding the Fourth Proportional to 19,092.69, 28,633.50 and 7,999.07

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Solution

The fourth proportional to 19,092.69, 28,633.50 and 7,999.07 is: 11,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.69 : 28,633.50 = 7,999.07 : x
  2. Step 2: Convert to fraction form
    19,092.69/28,633.50 = 7,999.07/x
  3. Step 3: Cross multiply
    19,092.69x = 28,633.50 × 7,999.07
  4. Step 4: Simplify right side
    19,092.69x = 229,041,227.68
  5. Step 5: Solve for x
    x = 229,041,227.68/19,092.69
  6. Step 6: Final answer
    x = 11,996.28

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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.