Home / 13,916.24-20,877.82-4,055.60

Finding the Fourth Proportional to 13,916.24, 20,877.82 and 4,055.60

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Solution

The fourth proportional to 13,916.24, 20,877.82 and 4,055.60 is: 6,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.24 : 20,877.82 = 4,055.60 : x
  2. Step 2: Convert to fraction form
    13,916.24/20,877.82 = 4,055.60/x
  3. Step 3: Cross multiply
    13,916.24x = 20,877.82 × 4,055.60
  4. Step 4: Simplify right side
    13,916.24x = 84,672,128.85
  5. Step 5: Solve for x
    x = 84,672,128.85/13,916.24
  6. Step 6: Final answer
    x = 6,084.41

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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.