Home / 21,793.38-30,074.66-12,362.02

Finding the Fourth Proportional to 21,793.38, 30,074.66 and 12,362.02

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Solution

The fourth proportional to 21,793.38, 30,074.66 and 12,362.02 is: 17,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793.38 : 30,074.66 = 12,362.02 : x
  2. Step 2: Convert to fraction form
    21,793.38/30,074.66 = 12,362.02/x
  3. Step 3: Cross multiply
    21,793.38x = 30,074.66 × 12,362.02
  4. Step 4: Simplify right side
    21,793.38x = 371,783,548.41
  5. Step 5: Solve for x
    x = 371,783,548.41/21,793.38
  6. Step 6: Final answer
    x = 17,059.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.