Home / 18,464.16-27,720.84-15,708.54

Finding the Fourth Proportional to 18,464.16, 27,720.84 and 15,708.54

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Solution

The fourth proportional to 18,464.16, 27,720.84 and 15,708.54 is: 23,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.16 : 27,720.84 = 15,708.54 : x
  2. Step 2: Convert to fraction form
    18,464.16/27,720.84 = 15,708.54/x
  3. Step 3: Cross multiply
    18,464.16x = 27,720.84 × 15,708.54
  4. Step 4: Simplify right side
    18,464.16x = 435,453,923.97
  5. Step 5: Solve for x
    x = 435,453,923.97/18,464.16
  6. Step 6: Final answer
    x = 23,583.74

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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.