Home / 21,942.33-32,907.20-7,152.54

Finding the Fourth Proportional to 21,942.33, 32,907.20 and 7,152.54

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Solution

The fourth proportional to 21,942.33, 32,907.20 and 7,152.54 is: 10,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.33 : 32,907.20 = 7,152.54 : x
  2. Step 2: Convert to fraction form
    21,942.33/32,907.20 = 7,152.54/x
  3. Step 3: Cross multiply
    21,942.33x = 32,907.20 × 7,152.54
  4. Step 4: Simplify right side
    21,942.33x = 235,369,905.12
  5. Step 5: Solve for x
    x = 235,369,905.12/21,942.33
  6. Step 6: Final answer
    x = 10,726.75

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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.