Home / 18,896.33-28,348.56-5,749.76

Finding the Fourth Proportional to 18,896.33, 28,348.56 and 5,749.76

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Solution

The fourth proportional to 18,896.33, 28,348.56 and 5,749.76 is: 8,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.33 : 28,348.56 = 5,749.76 : x
  2. Step 2: Convert to fraction form
    18,896.33/28,348.56 = 5,749.76/x
  3. Step 3: Cross multiply
    18,896.33x = 28,348.56 × 5,749.76
  4. Step 4: Simplify right side
    18,896.33x = 162,997,274.60
  5. Step 5: Solve for x
    x = 162,997,274.60/18,896.33
  6. Step 6: Final answer
    x = 8,625.87

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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.