Home / 26,618.72-39,896.18-11,810.94

Finding the Fourth Proportional to 26,618.72, 39,896.18 and 11,810.94

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Solution

The fourth proportional to 26,618.72, 39,896.18 and 11,810.94 is: 17,702.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.72 : 39,896.18 = 11,810.94 : x
  2. Step 2: Convert to fraction form
    26,618.72/39,896.18 = 11,810.94/x
  3. Step 3: Cross multiply
    26,618.72x = 39,896.18 × 11,810.94
  4. Step 4: Simplify right side
    26,618.72x = 471,211,388.21
  5. Step 5: Solve for x
    x = 471,211,388.21/26,618.72
  6. Step 6: Final answer
    x = 17,702.26

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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.