Home / 18,521.37-27,778.21-6,673.30

Finding the Fourth Proportional to 18,521.37, 27,778.21 and 6,673.30

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Solution

The fourth proportional to 18,521.37, 27,778.21 and 6,673.30 is: 10,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.37 : 27,778.21 = 6,673.30 : x
  2. Step 2: Convert to fraction form
    18,521.37/27,778.21 = 6,673.30/x
  3. Step 3: Cross multiply
    18,521.37x = 27,778.21 × 6,673.30
  4. Step 4: Simplify right side
    18,521.37x = 185,372,242.66
  5. Step 5: Solve for x
    x = 185,372,242.66/18,521.37
  6. Step 6: Final answer
    x = 10,008.56

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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.