Home / 14,540.34-20,066.39-8,166.60

Finding the Fourth Proportional to 14,540.34, 20,066.39 and 8,166.60

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Solution

The fourth proportional to 14,540.34, 20,066.39 and 8,166.60 is: 11,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.34 : 20,066.39 = 8,166.60 : x
  2. Step 2: Convert to fraction form
    14,540.34/20,066.39 = 8,166.60/x
  3. Step 3: Cross multiply
    14,540.34x = 20,066.39 × 8,166.60
  4. Step 4: Simplify right side
    14,540.34x = 163,874,180.57
  5. Step 5: Solve for x
    x = 163,874,180.57/14,540.34
  6. Step 6: Final answer
    x = 11,270.31

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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.