Home / 18,460.72-27,687.66-6,770.08

Finding the Fourth Proportional to 18,460.72, 27,687.66 and 6,770.08

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Solution

The fourth proportional to 18,460.72, 27,687.66 and 6,770.08 is: 10,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.72 : 27,687.66 = 6,770.08 : x
  2. Step 2: Convert to fraction form
    18,460.72/27,687.66 = 6,770.08/x
  3. Step 3: Cross multiply
    18,460.72x = 27,687.66 × 6,770.08
  4. Step 4: Simplify right side
    18,460.72x = 187,447,673.21
  5. Step 5: Solve for x
    x = 187,447,673.21/18,460.72
  6. Step 6: Final answer
    x = 10,153.87

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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.