Home / 21,830.07-32,745.12-10,741.98

Finding the Fourth Proportional to 21,830.07, 32,745.12 and 10,741.98

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Solution

The fourth proportional to 21,830.07, 32,745.12 and 10,741.98 is: 16,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,830.07 : 32,745.12 = 10,741.98 : x
  2. Step 2: Convert to fraction form
    21,830.07/32,745.12 = 10,741.98/x
  3. Step 3: Cross multiply
    21,830.07x = 32,745.12 × 10,741.98
  4. Step 4: Simplify right side
    21,830.07x = 351,747,424.14
  5. Step 5: Solve for x
    x = 351,747,424.14/21,830.07
  6. Step 6: Final answer
    x = 16,112.98

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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.