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Finding the Fourth Proportional to 14,914.56, 20,580.48 and 9,324.48

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Solution

The fourth proportional to 14,914.56, 20,580.48 and 9,324.48 is: 12,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914.56 : 20,580.48 = 9,324.48 : x
  2. Step 2: Convert to fraction form
    14,914.56/20,580.48 = 9,324.48/x
  3. Step 3: Cross multiply
    14,914.56x = 20,580.48 × 9,324.48
  4. Step 4: Simplify right side
    14,914.56x = 191,902,274.15
  5. Step 5: Solve for x
    x = 191,902,274.15/14,914.56
  6. Step 6: Final answer
    x = 12,866.77

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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.