Home / 28,650.39-39,511.44-18,568.32

Finding the Fourth Proportional to 28,650.39, 39,511.44 and 18,568.32

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Solution

The fourth proportional to 28,650.39, 39,511.44 and 18,568.32 is: 25,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,650.39 : 39,511.44 = 18,568.32 : x
  2. Step 2: Convert to fraction form
    28,650.39/39,511.44 = 18,568.32/x
  3. Step 3: Cross multiply
    28,650.39x = 39,511.44 × 18,568.32
  4. Step 4: Simplify right side
    28,650.39x = 733,661,061.58
  5. Step 5: Solve for x
    x = 733,661,061.58/28,650.39
  6. Step 6: Final answer
    x = 25,607.37

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1.5x scale

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.