Home / 22,068.88-30,455.07-11,997.34

Finding the Fourth Proportional to 22,068.88, 30,455.07 and 11,997.34

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Solution

The fourth proportional to 22,068.88, 30,455.07 and 11,997.34 is: 16,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.88 : 30,455.07 = 11,997.34 : x
  2. Step 2: Convert to fraction form
    22,068.88/30,455.07 = 11,997.34/x
  3. Step 3: Cross multiply
    22,068.88x = 30,455.07 × 11,997.34
  4. Step 4: Simplify right side
    22,068.88x = 365,379,829.51
  5. Step 5: Solve for x
    x = 365,379,829.51/22,068.88
  6. Step 6: Final answer
    x = 16,556.34

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Half scale
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Double scale
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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.