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Finding the Fourth Proportional to 14,610.94, 20,165.62 and 14,124.94

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Solution

The fourth proportional to 14,610.94, 20,165.62 and 14,124.94 is: 19,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.94 : 20,165.62 = 14,124.94 : x
  2. Step 2: Convert to fraction form
    14,610.94/20,165.62 = 14,124.94/x
  3. Step 3: Cross multiply
    14,610.94x = 20,165.62 × 14,124.94
  4. Step 4: Simplify right side
    14,610.94x = 284,838,172.56
  5. Step 5: Solve for x
    x = 284,838,172.56/14,610.94
  6. Step 6: Final answer
    x = 19,494.86

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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.