Home / 18,150.05-27,202.18-7,614.63

Finding the Fourth Proportional to 18,150.05, 27,202.18 and 7,614.63

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Solution

The fourth proportional to 18,150.05, 27,202.18 and 7,614.63 is: 11,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.05 : 27,202.18 = 7,614.63 : x
  2. Step 2: Convert to fraction form
    18,150.05/27,202.18 = 7,614.63/x
  3. Step 3: Cross multiply
    18,150.05x = 27,202.18 × 7,614.63
  4. Step 4: Simplify right side
    18,150.05x = 207,134,607.64
  5. Step 5: Solve for x
    x = 207,134,607.64/18,150.05
  6. Step 6: Final answer
    x = 11,412.34

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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.