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Finding the Fourth Proportional to 14,559.75, 20,092.47 and 7,935.75

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Solution

The fourth proportional to 14,559.75, 20,092.47 and 7,935.75 is: 10,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.75 : 20,092.47 = 7,935.75 : x
  2. Step 2: Convert to fraction form
    14,559.75/20,092.47 = 7,935.75/x
  3. Step 3: Cross multiply
    14,559.75x = 20,092.47 × 7,935.75
  4. Step 4: Simplify right side
    14,559.75x = 159,448,818.80
  5. Step 5: Solve for x
    x = 159,448,818.80/14,559.75
  6. Step 6: Final answer
    x = 10,951.34

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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.