Home / 23,865.92-33,006.34-20,876.57

Finding the Fourth Proportional to 23,865.92, 33,006.34 and 20,876.57

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Solution

The fourth proportional to 23,865.92, 33,006.34 and 20,876.57 is: 28,872.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,865.92 : 33,006.34 = 20,876.57 : x
  2. Step 2: Convert to fraction form
    23,865.92/33,006.34 = 20,876.57/x
  3. Step 3: Cross multiply
    23,865.92x = 33,006.34 × 20,876.57
  4. Step 4: Simplify right side
    23,865.92x = 689,059,034.86
  5. Step 5: Solve for x
    x = 689,059,034.86/23,865.92
  6. Step 6: Final answer
    x = 28,872.09

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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.