Home / 19,898.37-27,450.54-11,926.76

Finding the Fourth Proportional to 19,898.37, 27,450.54 and 11,926.76

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Solution

The fourth proportional to 19,898.37, 27,450.54 and 11,926.76 is: 16,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.37 : 27,450.54 = 11,926.76 : x
  2. Step 2: Convert to fraction form
    19,898.37/27,450.54 = 11,926.76/x
  3. Step 3: Cross multiply
    19,898.37x = 27,450.54 × 11,926.76
  4. Step 4: Simplify right side
    19,898.37x = 327,395,865.20
  5. Step 5: Solve for x
    x = 327,395,865.20/19,898.37
  6. Step 6: Final answer
    x = 16,453.40

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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.