Home / 18,377.40-27,576.96-6,691.56

Finding the Fourth Proportional to 18,377.40, 27,576.96 and 6,691.56

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Solution

The fourth proportional to 18,377.40, 27,576.96 and 6,691.56 is: 10,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.40 : 27,576.96 = 6,691.56 : x
  2. Step 2: Convert to fraction form
    18,377.40/27,576.96 = 6,691.56/x
  3. Step 3: Cross multiply
    18,377.40x = 27,576.96 × 6,691.56
  4. Step 4: Simplify right side
    18,377.40x = 184,532,882.46
  5. Step 5: Solve for x
    x = 184,532,882.46/18,377.40
  6. Step 6: Final answer
    x = 10,041.29

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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.