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Finding the Fourth Proportional to 14,803.26, 20,428.98 and 8,089.26

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Solution

The fourth proportional to 14,803.26, 20,428.98 and 8,089.26 is: 11,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.26 : 20,428.98 = 8,089.26 : x
  2. Step 2: Convert to fraction form
    14,803.26/20,428.98 = 8,089.26/x
  3. Step 3: Cross multiply
    14,803.26x = 20,428.98 × 8,089.26
  4. Step 4: Simplify right side
    14,803.26x = 165,255,330.75
  5. Step 5: Solve for x
    x = 165,255,330.75/14,803.26
  6. Step 6: Final answer
    x = 11,163.44

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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.