Home / 14,111.53-19,469.97-11,118.07

Finding the Fourth Proportional to 14,111.53, 19,469.97 and 11,118.07

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Solution

The fourth proportional to 14,111.53, 19,469.97 and 11,118.07 is: 15,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.53 : 19,469.97 = 11,118.07 : x
  2. Step 2: Convert to fraction form
    14,111.53/19,469.97 = 11,118.07/x
  3. Step 3: Cross multiply
    14,111.53x = 19,469.97 × 11,118.07
  4. Step 4: Simplify right side
    14,111.53x = 216,468,489.36
  5. Step 5: Solve for x
    x = 216,468,489.36/14,111.53
  6. Step 6: Final answer
    x = 15,339.83

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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.