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Finding the Fourth Proportional to 19,553.41, 26,983.04 and 11,590.91

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Solution

The fourth proportional to 19,553.41, 26,983.04 and 11,590.91 is: 15,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.41 : 26,983.04 = 11,590.91 : x
  2. Step 2: Convert to fraction form
    19,553.41/26,983.04 = 11,590.91/x
  3. Step 3: Cross multiply
    19,553.41x = 26,983.04 × 11,590.91
  4. Step 4: Simplify right side
    19,553.41x = 312,757,882.23
  5. Step 5: Solve for x
    x = 312,757,882.23/19,553.41
  6. Step 6: Final answer
    x = 15,995.06

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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.