Home / 22,069.43-30,456.40-11,998.55

Finding the Fourth Proportional to 22,069.43, 30,456.40 and 11,998.55

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Solution

The fourth proportional to 22,069.43, 30,456.40 and 11,998.55 is: 16,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.43 : 30,456.40 = 11,998.55 : x
  2. Step 2: Convert to fraction form
    22,069.43/30,456.40 = 11,998.55/x
  3. Step 3: Cross multiply
    22,069.43x = 30,456.40 × 11,998.55
  4. Step 4: Simplify right side
    22,069.43x = 365,432,485.94
  5. Step 5: Solve for x
    x = 365,432,485.94/22,069.43
  6. Step 6: Final answer
    x = 16,558.31

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Half scale
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Double scale
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Similar ratio
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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.