Home / 18,912.21-26,074.46-15,496.52

Finding the Fourth Proportional to 18,912.21, 26,074.46 and 15,496.52

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Solution

The fourth proportional to 18,912.21, 26,074.46 and 15,496.52 is: 21,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.21 : 26,074.46 = 15,496.52 : x
  2. Step 2: Convert to fraction form
    18,912.21/26,074.46 = 15,496.52/x
  3. Step 3: Cross multiply
    18,912.21x = 26,074.46 × 15,496.52
  4. Step 4: Simplify right side
    18,912.21x = 404,063,426.11
  5. Step 5: Solve for x
    x = 404,063,426.11/18,912.21
  6. Step 6: Final answer
    x = 21,365.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.