Home / 18,458.01-27,680.18-7,361.37

Finding the Fourth Proportional to 18,458.01, 27,680.18 and 7,361.37

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Solution

The fourth proportional to 18,458.01, 27,680.18 and 7,361.37 is: 11,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.01 : 27,680.18 = 7,361.37 : x
  2. Step 2: Convert to fraction form
    18,458.01/27,680.18 = 7,361.37/x
  3. Step 3: Cross multiply
    18,458.01x = 27,680.18 × 7,361.37
  4. Step 4: Simplify right side
    18,458.01x = 203,764,009.84
  5. Step 5: Solve for x
    x = 203,764,009.84/18,458.01
  6. Step 6: Final answer
    x = 11,039.33

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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.