Home / 19,663.62-27,135.57-11,705.97

Finding the Fourth Proportional to 19,663.62, 27,135.57 and 11,705.97

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Solution

The fourth proportional to 19,663.62, 27,135.57 and 11,705.97 is: 16,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.62 : 27,135.57 = 11,705.97 : x
  2. Step 2: Convert to fraction form
    19,663.62/27,135.57 = 11,705.97/x
  3. Step 3: Cross multiply
    19,663.62x = 27,135.57 × 11,705.97
  4. Step 4: Simplify right side
    19,663.62x = 317,648,168.35
  5. Step 5: Solve for x
    x = 317,648,168.35/19,663.62
  6. Step 6: Final answer
    x = 16,154.10

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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.