Home / 19,834.88-27,372.15-11,451.38

Finding the Fourth Proportional to 19,834.88, 27,372.15 and 11,451.38

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Solution

The fourth proportional to 19,834.88, 27,372.15 and 11,451.38 is: 15,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.88 : 27,372.15 = 11,451.38 : x
  2. Step 2: Convert to fraction form
    19,834.88/27,372.15 = 11,451.38/x
  3. Step 3: Cross multiply
    19,834.88x = 27,372.15 × 11,451.38
  4. Step 4: Simplify right side
    19,834.88x = 313,448,754.21
  5. Step 5: Solve for x
    x = 313,448,754.21/19,834.88
  6. Step 6: Final answer
    x = 15,802.91

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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.