Home / 18,749.66-28,168.24-10,963.94

Finding the Fourth Proportional to 18,749.66, 28,168.24 and 10,963.94

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Solution

The fourth proportional to 18,749.66, 28,168.24 and 10,963.94 is: 16,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.66 : 28,168.24 = 10,963.94 : x
  2. Step 2: Convert to fraction form
    18,749.66/28,168.24 = 10,963.94/x
  3. Step 3: Cross multiply
    18,749.66x = 28,168.24 × 10,963.94
  4. Step 4: Simplify right side
    18,749.66x = 308,834,893.27
  5. Step 5: Solve for x
    x = 308,834,893.27/18,749.66
  6. Step 6: Final answer
    x = 16,471.49

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1.5x scale

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.