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Finding the Fourth Proportional to 18,295.94, 25,229.94 and 14,927.96

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Solution

The fourth proportional to 18,295.94, 25,229.94 and 14,927.96 is: 20,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.94 : 25,229.94 = 14,927.96 : x
  2. Step 2: Convert to fraction form
    18,295.94/25,229.94 = 14,927.96/x
  3. Step 3: Cross multiply
    18,295.94x = 25,229.94 × 14,927.96
  4. Step 4: Simplify right side
    18,295.94x = 376,631,535.12
  5. Step 5: Solve for x
    x = 376,631,535.12/18,295.94
  6. Step 6: Final answer
    x = 20,585.53

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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.