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Finding the Fourth Proportional to 14,598.56, 20,144.79 and 8,223.11

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Solution

The fourth proportional to 14,598.56, 20,144.79 and 8,223.11 is: 11,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,598.56 : 20,144.79 = 8,223.11 : x
  2. Step 2: Convert to fraction form
    14,598.56/20,144.79 = 8,223.11/x
  3. Step 3: Cross multiply
    14,598.56x = 20,144.79 × 8,223.11
  4. Step 4: Simplify right side
    14,598.56x = 165,652,905.30
  5. Step 5: Solve for x
    x = 165,652,905.30/14,598.56
  6. Step 6: Final answer
    x = 11,347.21

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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.