Home / 18,155.24-25,052.28-10,198.34

Finding the Fourth Proportional to 18,155.24, 25,052.28 and 10,198.34

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Solution

The fourth proportional to 18,155.24, 25,052.28 and 10,198.34 is: 14,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.24 : 25,052.28 = 10,198.34 : x
  2. Step 2: Convert to fraction form
    18,155.24/25,052.28 = 10,198.34/x
  3. Step 3: Cross multiply
    18,155.24x = 25,052.28 × 10,198.34
  4. Step 4: Simplify right side
    18,155.24x = 255,491,669.22
  5. Step 5: Solve for x
    x = 255,491,669.22/18,155.24
  6. Step 6: Final answer
    x = 14,072.61

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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.