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Finding the Fourth Proportional to 22,194.76, 30,615.41 and 14,638.41

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Solution

The fourth proportional to 22,194.76, 30,615.41 and 14,638.41 is: 20,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.76 : 30,615.41 = 14,638.41 : x
  2. Step 2: Convert to fraction form
    22,194.76/30,615.41 = 14,638.41/x
  3. Step 3: Cross multiply
    22,194.76x = 30,615.41 × 14,638.41
  4. Step 4: Simplify right side
    22,194.76x = 448,160,923.90
  5. Step 5: Solve for x
    x = 448,160,923.90/22,194.76
  6. Step 6: Final answer
    x = 20,192.20

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Half scale
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Double scale
Find fourth proportional to 22,195.76, 30,616.79 and 14,639.41
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.