Home / 22,111.99-33,175.98-13,668.62

Finding the Fourth Proportional to 22,111.99, 33,175.98 and 13,668.62

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Solution

The fourth proportional to 22,111.99, 33,175.98 and 13,668.62 is: 20,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,111.99 : 33,175.98 = 13,668.62 : x
  2. Step 2: Convert to fraction form
    22,111.99/33,175.98 = 13,668.62/x
  3. Step 3: Cross multiply
    22,111.99x = 33,175.98 × 13,668.62
  4. Step 4: Simplify right side
    22,111.99x = 453,469,697.87
  5. Step 5: Solve for x
    x = 453,469,697.87/22,111.99
  6. Step 6: Final answer
    x = 20,507.87

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1.5x scale

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.