Home / 14,843.84-20,467.68-11,111.36

Finding the Fourth Proportional to 14,843.84, 20,467.68 and 11,111.36

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Solution

The fourth proportional to 14,843.84, 20,467.68 and 11,111.36 is: 15,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,843.84 : 20,467.68 = 11,111.36 : x
  2. Step 2: Convert to fraction form
    14,843.84/20,467.68 = 11,111.36/x
  3. Step 3: Cross multiply
    14,843.84x = 20,467.68 × 11,111.36
  4. Step 4: Simplify right side
    14,843.84x = 227,423,760.84
  5. Step 5: Solve for x
    x = 227,423,760.84/14,843.84
  6. Step 6: Final answer
    x = 15,321.09

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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.