Home / 19,898.25-27,450.39-11,926.63

Finding the Fourth Proportional to 19,898.25, 27,450.39 and 11,926.63

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Solution

The fourth proportional to 19,898.25, 27,450.39 and 11,926.63 is: 16,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.25 : 27,450.39 = 11,926.63 : x
  2. Step 2: Convert to fraction form
    19,898.25/27,450.39 = 11,926.63/x
  3. Step 3: Cross multiply
    19,898.25x = 27,450.39 × 11,926.63
  4. Step 4: Simplify right side
    19,898.25x = 327,390,644.89
  5. Step 5: Solve for x
    x = 327,390,644.89/19,898.25
  6. Step 6: Final answer
    x = 16,453.24

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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.