Home / 13,876.58-20,815.06-4,516.64

Finding the Fourth Proportional to 13,876.58, 20,815.06 and 4,516.64

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Solution

The fourth proportional to 13,876.58, 20,815.06 and 4,516.64 is: 6,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.58 : 20,815.06 = 4,516.64 : x
  2. Step 2: Convert to fraction form
    13,876.58/20,815.06 = 4,516.64/x
  3. Step 3: Cross multiply
    13,876.58x = 20,815.06 × 4,516.64
  4. Step 4: Simplify right side
    13,876.58x = 94,014,190.28
  5. Step 5: Solve for x
    x = 94,014,190.28/13,876.58
  6. Step 6: Final answer
    x = 6,775.03

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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.