Home / 18,676.15-25,772.43-10,178.09

Finding the Fourth Proportional to 18,676.15, 25,772.43 and 10,178.09

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Solution

The fourth proportional to 18,676.15, 25,772.43 and 10,178.09 is: 14,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.15 : 25,772.43 = 10,178.09 : x
  2. Step 2: Convert to fraction form
    18,676.15/25,772.43 = 10,178.09/x
  3. Step 3: Cross multiply
    18,676.15x = 25,772.43 × 10,178.09
  4. Step 4: Simplify right side
    18,676.15x = 262,314,112.06
  5. Step 5: Solve for x
    x = 262,314,112.06/18,676.15
  6. Step 6: Final answer
    x = 14,045.41

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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.