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Finding the Fourth Proportional to 14,759.44, 20,362.25 and 9,726.30

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Solution

The fourth proportional to 14,759.44, 20,362.25 and 9,726.30 is: 13,418.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.44 : 20,362.25 = 9,726.30 : x
  2. Step 2: Convert to fraction form
    14,759.44/20,362.25 = 9,726.30/x
  3. Step 3: Cross multiply
    14,759.44x = 20,362.25 × 9,726.30
  4. Step 4: Simplify right side
    14,759.44x = 198,049,376.49
  5. Step 5: Solve for x
    x = 198,049,376.49/14,759.44
  6. Step 6: Final answer
    x = 13,418.49

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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.