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Finding the Fourth Proportional to 14,841, 20,480.22 and 8,126.91

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Solution

The fourth proportional to 14,841, 20,480.22 and 8,126.91 is: 11,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841 : 20,480.22 = 8,126.91 : x
  2. Step 2: Convert to fraction form
    14,841/20,480.22 = 8,126.91/x
  3. Step 3: Cross multiply
    14,841x = 20,480.22 × 8,126.91
  4. Step 4: Simplify right side
    14,841x = 166,440,904.72
  5. Step 5: Solve for x
    x = 166,440,904.72/14,841
  6. Step 6: Final answer
    x = 11,214.94

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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.