Home / 17,618.47-26,427.34-4,291.54

Finding the Fourth Proportional to 17,618.47, 26,427.34 and 4,291.54

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Solution

The fourth proportional to 17,618.47, 26,427.34 and 4,291.54 is: 6,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.47 : 26,427.34 = 4,291.54 : x
  2. Step 2: Convert to fraction form
    17,618.47/26,427.34 = 4,291.54/x
  3. Step 3: Cross multiply
    17,618.47x = 26,427.34 × 4,291.54
  4. Step 4: Simplify right side
    17,618.47x = 113,413,986.70
  5. Step 5: Solve for x
    x = 113,413,986.70/17,618.47
  6. Step 6: Final answer
    x = 6,437.22

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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.