Home / 19,896.18-27,455.63-10,942.23

Finding the Fourth Proportional to 19,896.18, 27,455.63 and 10,942.23

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Solution

The fourth proportional to 19,896.18, 27,455.63 and 10,942.23 is: 15,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.18 : 27,455.63 = 10,942.23 : x
  2. Step 2: Convert to fraction form
    19,896.18/27,455.63 = 10,942.23/x
  3. Step 3: Cross multiply
    19,896.18x = 27,455.63 × 10,942.23
  4. Step 4: Simplify right side
    19,896.18x = 300,425,866.50
  5. Step 5: Solve for x
    x = 300,425,866.50/19,896.18
  6. Step 6: Final answer
    x = 15,099.68

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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.