Home / 25,795.80-38,687.21-9,995.41

Finding the Fourth Proportional to 25,795.80, 38,687.21 and 9,995.41

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Solution

The fourth proportional to 25,795.80, 38,687.21 and 9,995.41 is: 14,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.80 : 38,687.21 = 9,995.41 : x
  2. Step 2: Convert to fraction form
    25,795.80/38,687.21 = 9,995.41/x
  3. Step 3: Cross multiply
    25,795.80x = 38,687.21 × 9,995.41
  4. Step 4: Simplify right side
    25,795.80x = 386,694,379.01
  5. Step 5: Solve for x
    x = 386,694,379.01/25,795.80
  6. Step 6: Final answer
    x = 14,990.59

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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.