Home / 18,276.92-25,222.35-10,723.38

Finding the Fourth Proportional to 18,276.92, 25,222.35 and 10,723.38

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Solution

The fourth proportional to 18,276.92, 25,222.35 and 10,723.38 is: 14,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.92 : 25,222.35 = 10,723.38 : x
  2. Step 2: Convert to fraction form
    18,276.92/25,222.35 = 10,723.38/x
  3. Step 3: Cross multiply
    18,276.92x = 25,222.35 × 10,723.38
  4. Step 4: Simplify right side
    18,276.92x = 270,468,843.54
  5. Step 5: Solve for x
    x = 270,468,843.54/18,276.92
  6. Step 6: Final answer
    x = 14,798.39

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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.