Home / 25,918.41-38,881.73-8,147.67

Finding the Fourth Proportional to 25,918.41, 38,881.73 and 8,147.67

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Solution

The fourth proportional to 25,918.41, 38,881.73 and 8,147.67 is: 12,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,918.41 : 38,881.73 = 8,147.67 : x
  2. Step 2: Convert to fraction form
    25,918.41/38,881.73 = 8,147.67/x
  3. Step 3: Cross multiply
    25,918.41x = 38,881.73 × 8,147.67
  4. Step 4: Simplify right side
    25,918.41x = 316,795,464.33
  5. Step 5: Solve for x
    x = 316,795,464.33/25,918.41
  6. Step 6: Final answer
    x = 12,222.80

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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.