Home / 18,826.44-28,216.84-10,497.60

Finding the Fourth Proportional to 18,826.44, 28,216.84 and 10,497.60

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Solution

The fourth proportional to 18,826.44, 28,216.84 and 10,497.60 is: 15,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.44 : 28,216.84 = 10,497.60 : x
  2. Step 2: Convert to fraction form
    18,826.44/28,216.84 = 10,497.60/x
  3. Step 3: Cross multiply
    18,826.44x = 28,216.84 × 10,497.60
  4. Step 4: Simplify right side
    18,826.44x = 296,209,099.58
  5. Step 5: Solve for x
    x = 296,209,099.58/18,826.44
  6. Step 6: Final answer
    x = 15,733.68

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1.5x scale

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.