Home / 25,640.21-38,464.40-9,844.61

Finding the Fourth Proportional to 25,640.21, 38,464.40 and 9,844.61

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Solution

The fourth proportional to 25,640.21, 38,464.40 and 9,844.61 is: 14,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.21 : 38,464.40 = 9,844.61 : x
  2. Step 2: Convert to fraction form
    25,640.21/38,464.40 = 9,844.61/x
  3. Step 3: Cross multiply
    25,640.21x = 38,464.40 × 9,844.61
  4. Step 4: Simplify right side
    25,640.21x = 378,666,849.17
  5. Step 5: Solve for x
    x = 378,666,849.17/25,640.21
  6. Step 6: Final answer
    x = 14,768.48

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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.