Home / 21,157.24-31,733.26-5,576.04

Finding the Fourth Proportional to 21,157.24, 31,733.26 and 5,576.04

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Solution

The fourth proportional to 21,157.24, 31,733.26 and 5,576.04 is: 8,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,157.24 : 31,733.26 = 5,576.04 : x
  2. Step 2: Convert to fraction form
    21,157.24/31,733.26 = 5,576.04/x
  3. Step 3: Cross multiply
    21,157.24x = 31,733.26 × 5,576.04
  4. Step 4: Simplify right side
    21,157.24x = 176,945,927.09
  5. Step 5: Solve for x
    x = 176,945,927.09/21,157.24
  6. Step 6: Final answer
    x = 8,363.37

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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.