Home / 18,834.20-26,007.72-11,772.68

Finding the Fourth Proportional to 18,834.20, 26,007.72 and 11,772.68

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Solution

The fourth proportional to 18,834.20, 26,007.72 and 11,772.68 is: 16,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.20 : 26,007.72 = 11,772.68 : x
  2. Step 2: Convert to fraction form
    18,834.20/26,007.72 = 11,772.68/x
  3. Step 3: Cross multiply
    18,834.20x = 26,007.72 × 11,772.68
  4. Step 4: Simplify right side
    18,834.20x = 306,180,565.09
  5. Step 5: Solve for x
    x = 306,180,565.09/18,834.20
  6. Step 6: Final answer
    x = 16,256.63

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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.