Home / 18,583.18-25,643.84-11,029.82

Finding the Fourth Proportional to 18,583.18, 25,643.84 and 11,029.82

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Solution

The fourth proportional to 18,583.18, 25,643.84 and 11,029.82 is: 15,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.18 : 25,643.84 = 11,029.82 : x
  2. Step 2: Convert to fraction form
    18,583.18/25,643.84 = 11,029.82/x
  3. Step 3: Cross multiply
    18,583.18x = 25,643.84 × 11,029.82
  4. Step 4: Simplify right side
    18,583.18x = 282,846,939.31
  5. Step 5: Solve for x
    x = 282,846,939.31/18,583.18
  6. Step 6: Final answer
    x = 15,220.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.