Home / 14,630.27-20,190.29-8,258.41

Finding the Fourth Proportional to 14,630.27, 20,190.29 and 8,258.41

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Solution

The fourth proportional to 14,630.27, 20,190.29 and 8,258.41 is: 11,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.27 : 20,190.29 = 8,258.41 : x
  2. Step 2: Convert to fraction form
    14,630.27/20,190.29 = 8,258.41/x
  3. Step 3: Cross multiply
    14,630.27x = 20,190.29 × 8,258.41
  4. Step 4: Simplify right side
    14,630.27x = 166,739,550.60
  5. Step 5: Solve for x
    x = 166,739,550.60/14,630.27
  6. Step 6: Final answer
    x = 11,396.89

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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.