Home / 19,662.35-27,143.37-12,592.94

Finding the Fourth Proportional to 19,662.35, 27,143.37 and 12,592.94

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Solution

The fourth proportional to 19,662.35, 27,143.37 and 12,592.94 is: 17,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.35 : 27,143.37 = 12,592.94 : x
  2. Step 2: Convert to fraction form
    19,662.35/27,143.37 = 12,592.94/x
  3. Step 3: Cross multiply
    19,662.35x = 27,143.37 × 12,592.94
  4. Step 4: Simplify right side
    19,662.35x = 341,814,694.09
  5. Step 5: Solve for x
    x = 341,814,694.09/19,662.35
  6. Step 6: Final answer
    x = 17,384.23

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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.