Home / 20,458.26-30,621.39-10,583.94

Finding the Fourth Proportional to 20,458.26, 30,621.39 and 10,583.94

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Solution

The fourth proportional to 20,458.26, 30,621.39 and 10,583.94 is: 15,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458.26 : 30,621.39 = 10,583.94 : x
  2. Step 2: Convert to fraction form
    20,458.26/30,621.39 = 10,583.94/x
  3. Step 3: Cross multiply
    20,458.26x = 30,621.39 × 10,583.94
  4. Step 4: Simplify right side
    20,458.26x = 324,094,954.48
  5. Step 5: Solve for x
    x = 324,094,954.48/20,458.26
  6. Step 6: Final answer
    x = 15,841.77

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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.