Home / 21,986.22-32,983.36-7,195.96

Finding the Fourth Proportional to 21,986.22, 32,983.36 and 7,195.96

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Solution

The fourth proportional to 21,986.22, 32,983.36 and 7,195.96 is: 10,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986.22 : 32,983.36 = 7,195.96 : x
  2. Step 2: Convert to fraction form
    21,986.22/32,983.36 = 7,195.96/x
  3. Step 3: Cross multiply
    21,986.22x = 32,983.36 × 7,195.96
  4. Step 4: Simplify right side
    21,986.22x = 237,346,939.23
  5. Step 5: Solve for x
    x = 237,346,939.23/21,986.22
  6. Step 6: Final answer
    x = 10,795.26

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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.