Home / 18,581.44-25,640.52-10,516

Finding the Fourth Proportional to 18,581.44, 25,640.52 and 10,516

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Solution

The fourth proportional to 18,581.44, 25,640.52 and 10,516 is: 14,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.44 : 25,640.52 = 10,516 : x
  2. Step 2: Convert to fraction form
    18,581.44/25,640.52 = 10,516/x
  3. Step 3: Cross multiply
    18,581.44x = 25,640.52 × 10,516
  4. Step 4: Simplify right side
    18,581.44x = 269,635,708.32
  5. Step 5: Solve for x
    x = 269,635,708.32/18,581.44
  6. Step 6: Final answer
    x = 14,511.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.