Home / 19,834.13-27,371.10-11,450.63

Finding the Fourth Proportional to 19,834.13, 27,371.10 and 11,450.63

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Solution

The fourth proportional to 19,834.13, 27,371.10 and 11,450.63 is: 15,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.13 : 27,371.10 = 11,450.63 : x
  2. Step 2: Convert to fraction form
    19,834.13/27,371.10 = 11,450.63/x
  3. Step 3: Cross multiply
    19,834.13x = 27,371.10 × 11,450.63
  4. Step 4: Simplify right side
    19,834.13x = 313,416,201.94
  5. Step 5: Solve for x
    x = 313,416,201.94/19,834.13
  6. Step 6: Final answer
    x = 15,801.87

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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.