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Finding the Fourth Proportional to 14,958.68, 20,628.59 and 9,845.06

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Solution

The fourth proportional to 14,958.68, 20,628.59 and 9,845.06 is: 13,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958.68 : 20,628.59 = 9,845.06 : x
  2. Step 2: Convert to fraction form
    14,958.68/20,628.59 = 9,845.06/x
  3. Step 3: Cross multiply
    14,958.68x = 20,628.59 × 9,845.06
  4. Step 4: Simplify right side
    14,958.68x = 203,089,553.90
  5. Step 5: Solve for x
    x = 203,089,553.90/14,958.68
  6. Step 6: Final answer
    x = 13,576.71

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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.