Home / 25,900.06-38,858.19-8,371.21

Finding the Fourth Proportional to 25,900.06, 38,858.19 and 8,371.21

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Solution

The fourth proportional to 25,900.06, 38,858.19 and 8,371.21 is: 12,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.06 : 38,858.19 = 8,371.21 : x
  2. Step 2: Convert to fraction form
    25,900.06/38,858.19 = 8,371.21/x
  3. Step 3: Cross multiply
    25,900.06x = 38,858.19 × 8,371.21
  4. Step 4: Simplify right side
    25,900.06x = 325,290,068.71
  5. Step 5: Solve for x
    x = 325,290,068.71/25,900.06
  6. Step 6: Final answer
    x = 12,559.43

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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.