Home / 25,795.13-38,698.38-8,266.73

Finding the Fourth Proportional to 25,795.13, 38,698.38 and 8,266.73

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Solution

The fourth proportional to 25,795.13, 38,698.38 and 8,266.73 is: 12,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.13 : 38,698.38 = 8,266.73 : x
  2. Step 2: Convert to fraction form
    25,795.13/38,698.38 = 8,266.73/x
  3. Step 3: Cross multiply
    25,795.13x = 38,698.38 × 8,266.73
  4. Step 4: Simplify right side
    25,795.13x = 319,909,058.90
  5. Step 5: Solve for x
    x = 319,909,058.90/25,795.13
  6. Step 6: Final answer
    x = 12,401.92

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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.