Home / 21,703.56-32,556.14-6,121.60

Finding the Fourth Proportional to 21,703.56, 32,556.14 and 6,121.60

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Solution

The fourth proportional to 21,703.56, 32,556.14 and 6,121.60 is: 9,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.56 : 32,556.14 = 6,121.60 : x
  2. Step 2: Convert to fraction form
    21,703.56/32,556.14 = 6,121.60/x
  3. Step 3: Cross multiply
    21,703.56x = 32,556.14 × 6,121.60
  4. Step 4: Simplify right side
    21,703.56x = 199,295,666.62
  5. Step 5: Solve for x
    x = 199,295,666.62/21,703.56
  6. Step 6: Final answer
    x = 9,182.63

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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.