Home / 22,985.51-34,481.50-8,190.05

Finding the Fourth Proportional to 22,985.51, 34,481.50 and 8,190.05

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Solution

The fourth proportional to 22,985.51, 34,481.50 and 8,190.05 is: 12,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.51 : 34,481.50 = 8,190.05 : x
  2. Step 2: Convert to fraction form
    22,985.51/34,481.50 = 8,190.05/x
  3. Step 3: Cross multiply
    22,985.51x = 34,481.50 × 8,190.05
  4. Step 4: Simplify right side
    22,985.51x = 282,405,016.19
  5. Step 5: Solve for x
    x = 282,405,016.19/22,985.51
  6. Step 6: Final answer
    x = 12,286.22

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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.