Home / 22,059.11-30,441.47-11,987.36

Finding the Fourth Proportional to 22,059.11, 30,441.47 and 11,987.36

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Solution

The fourth proportional to 22,059.11, 30,441.47 and 11,987.36 is: 16,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.11 : 30,441.47 = 11,987.36 : x
  2. Step 2: Convert to fraction form
    22,059.11/30,441.47 = 11,987.36/x
  3. Step 3: Cross multiply
    22,059.11x = 30,441.47 × 11,987.36
  4. Step 4: Simplify right side
    22,059.11x = 364,912,647.68
  5. Step 5: Solve for x
    x = 364,912,647.68/22,059.11
  6. Step 6: Final answer
    x = 16,542.50

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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.