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Finding the Fourth Proportional to 13,498.76, 20,241.12 and 6,099.68

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Solution

The fourth proportional to 13,498.76, 20,241.12 and 6,099.68 is: 9,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.76 : 20,241.12 = 6,099.68 : x
  2. Step 2: Convert to fraction form
    13,498.76/20,241.12 = 6,099.68/x
  3. Step 3: Cross multiply
    13,498.76x = 20,241.12 × 6,099.68
  4. Step 4: Simplify right side
    13,498.76x = 123,464,354.84
  5. Step 5: Solve for x
    x = 123,464,354.84/13,498.76
  6. Step 6: Final answer
    x = 9,146.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.