Home / 25,603.89-38,379.45-9,804.61

Finding the Fourth Proportional to 25,603.89, 38,379.45 and 9,804.61

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Solution

The fourth proportional to 25,603.89, 38,379.45 and 9,804.61 is: 14,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.89 : 38,379.45 = 9,804.61 : x
  2. Step 2: Convert to fraction form
    25,603.89/38,379.45 = 9,804.61/x
  3. Step 3: Cross multiply
    25,603.89x = 38,379.45 × 9,804.61
  4. Step 4: Simplify right side
    25,603.89x = 376,295,443.32
  5. Step 5: Solve for x
    x = 376,295,443.32/25,603.89
  6. Step 6: Final answer
    x = 14,696.81

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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.