Home / 13,916.43-20,852.75-10,761.57

Finding the Fourth Proportional to 13,916.43, 20,852.75 and 10,761.57

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Solution

The fourth proportional to 13,916.43, 20,852.75 and 10,761.57 is: 16,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.43 : 20,852.75 = 10,761.57 : x
  2. Step 2: Convert to fraction form
    13,916.43/20,852.75 = 10,761.57/x
  3. Step 3: Cross multiply
    13,916.43x = 20,852.75 × 10,761.57
  4. Step 4: Simplify right side
    13,916.43x = 224,408,355.72
  5. Step 5: Solve for x
    x = 224,408,355.72/13,916.43
  6. Step 6: Final answer
    x = 16,125.43

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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.