Home / 18,226.18-25,099.16-15,835.06

Finding the Fourth Proportional to 18,226.18, 25,099.16 and 15,835.06

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Solution

The fourth proportional to 18,226.18, 25,099.16 and 15,835.06 is: 21,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.18 : 25,099.16 = 15,835.06 : x
  2. Step 2: Convert to fraction form
    18,226.18/25,099.16 = 15,835.06/x
  3. Step 3: Cross multiply
    18,226.18x = 25,099.16 × 15,835.06
  4. Step 4: Simplify right side
    18,226.18x = 397,446,704.55
  5. Step 5: Solve for x
    x = 397,446,704.55/18,226.18
  6. Step 6: Final answer
    x = 21,806.36

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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.