Home / 21,418.26-32,131.71-7,576.98

Finding the Fourth Proportional to 21,418.26, 32,131.71 and 7,576.98

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Solution

The fourth proportional to 21,418.26, 32,131.71 and 7,576.98 is: 11,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418.26 : 32,131.71 = 7,576.98 : x
  2. Step 2: Convert to fraction form
    21,418.26/32,131.71 = 7,576.98/x
  3. Step 3: Cross multiply
    21,418.26x = 32,131.71 × 7,576.98
  4. Step 4: Simplify right side
    21,418.26x = 243,461,324.04
  5. Step 5: Solve for x
    x = 243,461,324.04/21,418.26
  6. Step 6: Final answer
    x = 11,367.00

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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.