Home / 22,147.40-33,221.10-14,630.60

Finding the Fourth Proportional to 22,147.40, 33,221.10 and 14,630.60

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Solution

The fourth proportional to 22,147.40, 33,221.10 and 14,630.60 is: 21,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.40 : 33,221.10 = 14,630.60 : x
  2. Step 2: Convert to fraction form
    22,147.40/33,221.10 = 14,630.60/x
  3. Step 3: Cross multiply
    22,147.40x = 33,221.10 × 14,630.60
  4. Step 4: Simplify right side
    22,147.40x = 486,044,625.66
  5. Step 5: Solve for x
    x = 486,044,625.66/22,147.40
  6. Step 6: Final answer
    x = 21,945.90

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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.