Home / 13,876.73-20,815.35-4,516.72

Finding the Fourth Proportional to 13,876.73, 20,815.35 and 4,516.72

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Solution

The fourth proportional to 13,876.73, 20,815.35 and 4,516.72 is: 6,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.73 : 20,815.35 = 4,516.72 : x
  2. Step 2: Convert to fraction form
    13,876.73/20,815.35 = 4,516.72/x
  3. Step 3: Cross multiply
    13,876.73x = 20,815.35 × 4,516.72
  4. Step 4: Simplify right side
    13,876.73x = 94,017,055.61
  5. Step 5: Solve for x
    x = 94,017,055.61/13,876.73
  6. Step 6: Final answer
    x = 6,775.16

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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.