Home / 18,730.49-25,845.89-10,775.27

Finding the Fourth Proportional to 18,730.49, 25,845.89 and 10,775.27

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Solution

The fourth proportional to 18,730.49, 25,845.89 and 10,775.27 is: 14,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.49 : 25,845.89 = 10,775.27 : x
  2. Step 2: Convert to fraction form
    18,730.49/25,845.89 = 10,775.27/x
  3. Step 3: Cross multiply
    18,730.49x = 25,845.89 × 10,775.27
  4. Step 4: Simplify right side
    18,730.49x = 278,496,260.03
  5. Step 5: Solve for x
    x = 278,496,260.03/18,730.49
  6. Step 6: Final answer
    x = 14,868.61

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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.