Home / 25,907.03-38,872.83-13,424.72

Finding the Fourth Proportional to 25,907.03, 38,872.83 and 13,424.72

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Solution

The fourth proportional to 25,907.03, 38,872.83 and 13,424.72 is: 20,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907.03 : 38,872.83 = 13,424.72 : x
  2. Step 2: Convert to fraction form
    25,907.03/38,872.83 = 13,424.72/x
  3. Step 3: Cross multiply
    25,907.03x = 38,872.83 × 13,424.72
  4. Step 4: Simplify right side
    25,907.03x = 521,856,663.99
  5. Step 5: Solve for x
    x = 521,856,663.99/25,907.03
  6. Step 6: Final answer
    x = 20,143.44

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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.