Home / 25,976.53-38,964.79-11,948.36

Finding the Fourth Proportional to 25,976.53, 38,964.79 and 11,948.36

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Solution

The fourth proportional to 25,976.53, 38,964.79 and 11,948.36 is: 17,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,976.53 : 38,964.79 = 11,948.36 : x
  2. Step 2: Convert to fraction form
    25,976.53/38,964.79 = 11,948.36/x
  3. Step 3: Cross multiply
    25,976.53x = 38,964.79 × 11,948.36
  4. Step 4: Simplify right side
    25,976.53x = 465,565,113.55
  5. Step 5: Solve for x
    x = 465,565,113.55/25,976.53
  6. Step 6: Final answer
    x = 17,922.53

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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.