Home / 19,442.51-29,198.90-17,879.63

Finding the Fourth Proportional to 19,442.51, 29,198.90 and 17,879.63

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Solution

The fourth proportional to 19,442.51, 29,198.90 and 17,879.63 is: 26,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.51 : 29,198.90 = 17,879.63 : x
  2. Step 2: Convert to fraction form
    19,442.51/29,198.90 = 17,879.63/x
  3. Step 3: Cross multiply
    19,442.51x = 29,198.90 × 17,879.63
  4. Step 4: Simplify right side
    19,442.51x = 522,065,528.41
  5. Step 5: Solve for x
    x = 522,065,528.41/19,442.51
  6. Step 6: Final answer
    x = 26,851.76

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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.