Home / 22,077.80-33,116.70-19,658.60

Finding the Fourth Proportional to 22,077.80, 33,116.70 and 19,658.60

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Solution

The fourth proportional to 22,077.80, 33,116.70 and 19,658.60 is: 29,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,077.80 : 33,116.70 = 19,658.60 : x
  2. Step 2: Convert to fraction form
    22,077.80/33,116.70 = 19,658.60/x
  3. Step 3: Cross multiply
    22,077.80x = 33,116.70 × 19,658.60
  4. Step 4: Simplify right side
    22,077.80x = 651,027,958.62
  5. Step 5: Solve for x
    x = 651,027,958.62/22,077.80
  6. Step 6: Final answer
    x = 29,487.90

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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.