Home / 26,916.20-37,120.71-18,845.72

Finding the Fourth Proportional to 26,916.20, 37,120.71 and 18,845.72

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Solution

The fourth proportional to 26,916.20, 37,120.71 and 18,845.72 is: 25,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,916.20 : 37,120.71 = 18,845.72 : x
  2. Step 2: Convert to fraction form
    26,916.20/37,120.71 = 18,845.72/x
  3. Step 3: Cross multiply
    26,916.20x = 37,120.71 × 18,845.72
  4. Step 4: Simplify right side
    26,916.20x = 699,566,506.86
  5. Step 5: Solve for x
    x = 699,566,506.86/26,916.20
  6. Step 6: Final answer
    x = 25,990.54

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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.