Home / 26,916.74-40,389.98-11,118.09

Finding the Fourth Proportional to 26,916.74, 40,389.98 and 11,118.09

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Solution

The fourth proportional to 26,916.74, 40,389.98 and 11,118.09 is: 16,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,916.74 : 40,389.98 = 11,118.09 : x
  2. Step 2: Convert to fraction form
    26,916.74/40,389.98 = 11,118.09/x
  3. Step 3: Cross multiply
    26,916.74x = 40,389.98 × 11,118.09
  4. Step 4: Simplify right side
    26,916.74x = 449,059,377.15
  5. Step 5: Solve for x
    x = 449,059,377.15/26,916.74
  6. Step 6: Final answer
    x = 16,683.28

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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.