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Finding the Fourth Proportional to 18,556.17, 27,805.04 and 14,349.70

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Solution

The fourth proportional to 18,556.17, 27,805.04 and 14,349.70 is: 21,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.17 : 27,805.04 = 14,349.70 : x
  2. Step 2: Convert to fraction form
    18,556.17/27,805.04 = 14,349.70/x
  3. Step 3: Cross multiply
    18,556.17x = 27,805.04 × 14,349.70
  4. Step 4: Simplify right side
    18,556.17x = 398,993,982.49
  5. Step 5: Solve for x
    x = 398,993,982.49/18,556.17
  6. Step 6: Final answer
    x = 21,501.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.