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Finding the Fourth Proportional to 14,266.88, 19,683.84 and 8,675.84

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Solution

The fourth proportional to 14,266.88, 19,683.84 and 8,675.84 is: 11,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.88 : 19,683.84 = 8,675.84 : x
  2. Step 2: Convert to fraction form
    14,266.88/19,683.84 = 8,675.84/x
  3. Step 3: Cross multiply
    14,266.88x = 19,683.84 × 8,675.84
  4. Step 4: Simplify right side
    14,266.88x = 170,773,846.43
  5. Step 5: Solve for x
    x = 170,773,846.43/14,266.88
  6. Step 6: Final answer
    x = 11,969.95

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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.