Home / 19,895.21-27,455.42-10,942.73

Finding the Fourth Proportional to 19,895.21, 27,455.42 and 10,942.73

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Solution

The fourth proportional to 19,895.21, 27,455.42 and 10,942.73 is: 15,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.21 : 27,455.42 = 10,942.73 : x
  2. Step 2: Convert to fraction form
    19,895.21/27,455.42 = 10,942.73/x
  3. Step 3: Cross multiply
    19,895.21x = 27,455.42 × 10,942.73
  4. Step 4: Simplify right side
    19,895.21x = 300,437,193.38
  5. Step 5: Solve for x
    x = 300,437,193.38/19,895.21
  6. Step 6: Final answer
    x = 15,100.98

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1.5x scale

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.