Home / 12,622.44-18,933.18-5,225

Finding the Fourth Proportional to 12,622.44, 18,933.18 and 5,225

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Solution

The fourth proportional to 12,622.44, 18,933.18 and 5,225 is: 7,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.44 : 18,933.18 = 5,225 : x
  2. Step 2: Convert to fraction form
    12,622.44/18,933.18 = 5,225/x
  3. Step 3: Cross multiply
    12,622.44x = 18,933.18 × 5,225
  4. Step 4: Simplify right side
    12,622.44x = 98,925,865.50
  5. Step 5: Solve for x
    x = 98,925,865.50/12,622.44
  6. Step 6: Final answer
    x = 7,837.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.