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Finding the Fourth Proportional to 14,841.11, 20,480.47 and 8,126.62

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Solution

The fourth proportional to 14,841.11, 20,480.47 and 8,126.62 is: 11,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.11 : 20,480.47 = 8,126.62 : x
  2. Step 2: Convert to fraction form
    14,841.11/20,480.47 = 8,126.62/x
  3. Step 3: Cross multiply
    14,841.11x = 20,480.47 × 8,126.62
  4. Step 4: Simplify right side
    14,841.11x = 166,436,925.59
  5. Step 5: Solve for x
    x = 166,436,925.59/14,841.11
  6. Step 6: Final answer
    x = 11,214.59

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Half scale
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Double scale
Find fourth proportional to 14,842.11, 20,481.85 and 8,127.62
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.