Home / 13,730.50-20,583.53-4,963.47

Finding the Fourth Proportional to 13,730.50, 20,583.53 and 4,963.47

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Solution

The fourth proportional to 13,730.50, 20,583.53 and 4,963.47 is: 7,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.50 : 20,583.53 = 4,963.47 : x
  2. Step 2: Convert to fraction form
    13,730.50/20,583.53 = 4,963.47/x
  3. Step 3: Cross multiply
    13,730.50x = 20,583.53 × 4,963.47
  4. Step 4: Simplify right side
    13,730.50x = 102,165,733.65
  5. Step 5: Solve for x
    x = 102,165,733.65/13,730.50
  6. Step 6: Final answer
    x = 7,440.79

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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.