Home / 18,539.26-25,584.18-10,155.76

Finding the Fourth Proportional to 18,539.26, 25,584.18 and 10,155.76

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Solution

The fourth proportional to 18,539.26, 25,584.18 and 10,155.76 is: 14,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.26 : 25,584.18 = 10,155.76 : x
  2. Step 2: Convert to fraction form
    18,539.26/25,584.18 = 10,155.76/x
  3. Step 3: Cross multiply
    18,539.26x = 25,584.18 × 10,155.76
  4. Step 4: Simplify right side
    18,539.26x = 259,826,791.88
  5. Step 5: Solve for x
    x = 259,826,791.88/18,539.26
  6. Step 6: Final answer
    x = 14,014.95

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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.