Home / 25,990.83-38,953.94-11,935.96

Finding the Fourth Proportional to 25,990.83, 38,953.94 and 11,935.96

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Solution

The fourth proportional to 25,990.83, 38,953.94 and 11,935.96 is: 17,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,990.83 : 38,953.94 = 11,935.96 : x
  2. Step 2: Convert to fraction form
    25,990.83/38,953.94 = 11,935.96/x
  3. Step 3: Cross multiply
    25,990.83x = 38,953.94 × 11,935.96
  4. Step 4: Simplify right side
    25,990.83x = 464,952,512.62
  5. Step 5: Solve for x
    x = 464,952,512.62/25,990.83
  6. Step 6: Final answer
    x = 17,889.10

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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.