Home / 18,834.36-25,991.26-10,450.86

Finding the Fourth Proportional to 18,834.36, 25,991.26 and 10,450.86

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Solution

The fourth proportional to 18,834.36, 25,991.26 and 10,450.86 is: 14,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.36 : 25,991.26 = 10,450.86 : x
  2. Step 2: Convert to fraction form
    18,834.36/25,991.26 = 10,450.86/x
  3. Step 3: Cross multiply
    18,834.36x = 25,991.26 × 10,450.86
  4. Step 4: Simplify right side
    18,834.36x = 271,631,019.48
  5. Step 5: Solve for x
    x = 271,631,019.48/18,834.36
  6. Step 6: Final answer
    x = 14,422.10

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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.