Home / 18,422.37-27,570.38-11,399.67

Finding the Fourth Proportional to 18,422.37, 27,570.38 and 11,399.67

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Solution

The fourth proportional to 18,422.37, 27,570.38 and 11,399.67 is: 17,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.37 : 27,570.38 = 11,399.67 : x
  2. Step 2: Convert to fraction form
    18,422.37/27,570.38 = 11,399.67/x
  3. Step 3: Cross multiply
    18,422.37x = 27,570.38 × 11,399.67
  4. Step 4: Simplify right side
    18,422.37x = 314,293,176.78
  5. Step 5: Solve for x
    x = 314,293,176.78/18,422.37
  6. Step 6: Final answer
    x = 17,060.41

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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.