Home / 15,761.05-23,642.39-4,074.37

Finding the Fourth Proportional to 15,761.05, 23,642.39 and 4,074.37

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Solution

The fourth proportional to 15,761.05, 23,642.39 and 4,074.37 is: 6,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761.05 : 23,642.39 = 4,074.37 : x
  2. Step 2: Convert to fraction form
    15,761.05/23,642.39 = 4,074.37/x
  3. Step 3: Cross multiply
    15,761.05x = 23,642.39 × 4,074.37
  4. Step 4: Simplify right side
    15,761.05x = 96,327,765.07
  5. Step 5: Solve for x
    x = 96,327,765.07/15,761.05
  6. Step 6: Final answer
    x = 6,111.76

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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.