Home / 19,654.91-27,130.61-11,696.96

Finding the Fourth Proportional to 19,654.91, 27,130.61 and 11,696.96

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Solution

The fourth proportional to 19,654.91, 27,130.61 and 11,696.96 is: 16,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.91 : 27,130.61 = 11,696.96 : x
  2. Step 2: Convert to fraction form
    19,654.91/27,130.61 = 11,696.96/x
  3. Step 3: Cross multiply
    19,654.91x = 27,130.61 × 11,696.96
  4. Step 4: Simplify right side
    19,654.91x = 317,345,659.95
  5. Step 5: Solve for x
    x = 317,345,659.95/19,654.91
  6. Step 6: Final answer
    x = 16,145.87

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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.