Home / 18,079.10-27,118.85-6,384.11

Finding the Fourth Proportional to 18,079.10, 27,118.85 and 6,384.11

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Solution

The fourth proportional to 18,079.10, 27,118.85 and 6,384.11 is: 9,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.10 : 27,118.85 = 6,384.11 : x
  2. Step 2: Convert to fraction form
    18,079.10/27,118.85 = 6,384.11/x
  3. Step 3: Cross multiply
    18,079.10x = 27,118.85 × 6,384.11
  4. Step 4: Simplify right side
    18,079.10x = 173,129,757.35
  5. Step 5: Solve for x
    x = 173,129,757.35/18,079.10
  6. Step 6: Final answer
    x = 9,576.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.