Home / 18,676.11-25,772.28-10,178.05

Finding the Fourth Proportional to 18,676.11, 25,772.28 and 10,178.05

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Solution

The fourth proportional to 18,676.11, 25,772.28 and 10,178.05 is: 14,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.11 : 25,772.28 = 10,178.05 : x
  2. Step 2: Convert to fraction form
    18,676.11/25,772.28 = 10,178.05/x
  3. Step 3: Cross multiply
    18,676.11x = 25,772.28 × 10,178.05
  4. Step 4: Simplify right side
    18,676.11x = 262,311,586.67
  5. Step 5: Solve for x
    x = 262,311,586.67/18,676.11
  6. Step 6: Final answer
    x = 14,045.30

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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.