Home / 18,798.35-25,872.68-16,115.63

Finding the Fourth Proportional to 18,798.35, 25,872.68 and 16,115.63

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Solution

The fourth proportional to 18,798.35, 25,872.68 and 16,115.63 is: 22,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798.35 : 25,872.68 = 16,115.63 : x
  2. Step 2: Convert to fraction form
    18,798.35/25,872.68 = 16,115.63/x
  3. Step 3: Cross multiply
    18,798.35x = 25,872.68 × 16,115.63
  4. Step 4: Simplify right side
    18,798.35x = 416,954,448.91
  5. Step 5: Solve for x
    x = 416,954,448.91/18,798.35
  6. Step 6: Final answer
    x = 22,180.38

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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.