Home / 25,916.34-38,874.36-11,115.66

Finding the Fourth Proportional to 25,916.34, 38,874.36 and 11,115.66

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Solution

The fourth proportional to 25,916.34, 38,874.36 and 11,115.66 is: 16,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,916.34 : 38,874.36 = 11,115.66 : x
  2. Step 2: Convert to fraction form
    25,916.34/38,874.36 = 11,115.66/x
  3. Step 3: Cross multiply
    25,916.34x = 38,874.36 × 11,115.66
  4. Step 4: Simplify right side
    25,916.34x = 432,114,168.48
  5. Step 5: Solve for x
    x = 432,114,168.48/25,916.34
  6. Step 6: Final answer
    x = 16,673.43

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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.