Home / 21,739.43-32,623.76-7,699.41

Finding the Fourth Proportional to 21,739.43, 32,623.76 and 7,699.41

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Solution

The fourth proportional to 21,739.43, 32,623.76 and 7,699.41 is: 11,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.43 : 32,623.76 = 7,699.41 : x
  2. Step 2: Convert to fraction form
    21,739.43/32,623.76 = 7,699.41/x
  3. Step 3: Cross multiply
    21,739.43x = 32,623.76 × 7,699.41
  4. Step 4: Simplify right side
    21,739.43x = 251,183,723.23
  5. Step 5: Solve for x
    x = 251,183,723.23/21,739.43
  6. Step 6: Final answer
    x = 11,554.29

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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.