Home / 18,228.44-25,155.42-10,270.84

Finding the Fourth Proportional to 18,228.44, 25,155.42 and 10,270.84

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Solution

The fourth proportional to 18,228.44, 25,155.42 and 10,270.84 is: 14,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.44 : 25,155.42 = 10,270.84 : x
  2. Step 2: Convert to fraction form
    18,228.44/25,155.42 = 10,270.84/x
  3. Step 3: Cross multiply
    18,228.44x = 25,155.42 × 10,270.84
  4. Step 4: Simplify right side
    18,228.44x = 258,367,293.95
  5. Step 5: Solve for x
    x = 258,367,293.95/18,228.44
  6. Step 6: Final answer
    x = 14,173.86

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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.