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Finding the Fourth Proportional to 18,308.50, 25,241.30 and 14,544.16

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Solution

The fourth proportional to 18,308.50, 25,241.30 and 14,544.16 is: 20,051.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.50 : 25,241.30 = 14,544.16 : x
  2. Step 2: Convert to fraction form
    18,308.50/25,241.30 = 14,544.16/x
  3. Step 3: Cross multiply
    18,308.50x = 25,241.30 × 14,544.16
  4. Step 4: Simplify right side
    18,308.50x = 367,113,433.09
  5. Step 5: Solve for x
    x = 367,113,433.09/18,308.50
  6. Step 6: Final answer
    x = 20,051.53

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Double scale
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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.