Home / 21,596.74-32,398.38-11,072.80

Finding the Fourth Proportional to 21,596.74, 32,398.38 and 11,072.80

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Solution

The fourth proportional to 21,596.74, 32,398.38 and 11,072.80 is: 16,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596.74 : 32,398.38 = 11,072.80 : x
  2. Step 2: Convert to fraction form
    21,596.74/32,398.38 = 11,072.80/x
  3. Step 3: Cross multiply
    21,596.74x = 32,398.38 × 11,072.80
  4. Step 4: Simplify right side
    21,596.74x = 358,740,782.06
  5. Step 5: Solve for x
    x = 358,740,782.06/21,596.74
  6. Step 6: Final answer
    x = 16,610.88

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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.