Home / 21,747.07-32,625.87-15,491.44

Finding the Fourth Proportional to 21,747.07, 32,625.87 and 15,491.44

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Solution

The fourth proportional to 21,747.07, 32,625.87 and 15,491.44 is: 23,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.07 : 32,625.87 = 15,491.44 : x
  2. Step 2: Convert to fraction form
    21,747.07/32,625.87 = 15,491.44/x
  3. Step 3: Cross multiply
    21,747.07x = 32,625.87 × 15,491.44
  4. Step 4: Simplify right side
    21,747.07x = 505,421,707.55
  5. Step 5: Solve for x
    x = 505,421,707.55/21,747.07
  6. Step 6: Final answer
    x = 23,240.91

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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.