Home / 19,499.62-26,911.56-11,950.96

Finding the Fourth Proportional to 19,499.62, 26,911.56 and 11,950.96

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Solution

The fourth proportional to 19,499.62, 26,911.56 and 11,950.96 is: 16,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499.62 : 26,911.56 = 11,950.96 : x
  2. Step 2: Convert to fraction form
    19,499.62/26,911.56 = 11,950.96/x
  3. Step 3: Cross multiply
    19,499.62x = 26,911.56 × 11,950.96
  4. Step 4: Simplify right side
    19,499.62x = 321,618,977.10
  5. Step 5: Solve for x
    x = 321,618,977.10/19,499.62
  6. Step 6: Final answer
    x = 16,493.60

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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.