Home / 28,999.65-43,499.07-11,469.27

Finding the Fourth Proportional to 28,999.65, 43,499.07 and 11,469.27

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Solution

The fourth proportional to 28,999.65, 43,499.07 and 11,469.27 is: 17,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.65 : 43,499.07 = 11,469.27 : x
  2. Step 2: Convert to fraction form
    28,999.65/43,499.07 = 11,469.27/x
  3. Step 3: Cross multiply
    28,999.65x = 43,499.07 × 11,469.27
  4. Step 4: Simplify right side
    28,999.65x = 498,902,578.58
  5. Step 5: Solve for x
    x = 498,902,578.58/28,999.65
  6. Step 6: Final answer
    x = 17,203.74

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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.