Home / 13,836.99-19,113.06-11,194.37

Finding the Fourth Proportional to 13,836.99, 19,113.06 and 11,194.37

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Solution

The fourth proportional to 13,836.99, 19,113.06 and 11,194.37 is: 15,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.99 : 19,113.06 = 11,194.37 : x
  2. Step 2: Convert to fraction form
    13,836.99/19,113.06 = 11,194.37/x
  3. Step 3: Cross multiply
    13,836.99x = 19,113.06 × 11,194.37
  4. Step 4: Simplify right side
    13,836.99x = 213,958,569.91
  5. Step 5: Solve for x
    x = 213,958,569.91/13,836.99
  6. Step 6: Final answer
    x = 15,462.80

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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.