Home / 19,495.44-26,872.11-15,238.98

Finding the Fourth Proportional to 19,495.44, 26,872.11 and 15,238.98

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Solution

The fourth proportional to 19,495.44, 26,872.11 and 15,238.98 is: 21,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.44 : 26,872.11 = 15,238.98 : x
  2. Step 2: Convert to fraction form
    19,495.44/26,872.11 = 15,238.98/x
  3. Step 3: Cross multiply
    19,495.44x = 26,872.11 × 15,238.98
  4. Step 4: Simplify right side
    19,495.44x = 409,503,546.85
  5. Step 5: Solve for x
    x = 409,503,546.85/19,495.44
  6. Step 6: Final answer
    x = 21,005.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.