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Finding the Fourth Proportional to 14,775.23, 20,403.23 and 10,997.01

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Solution

The fourth proportional to 14,775.23, 20,403.23 and 10,997.01 is: 15,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.23 : 20,403.23 = 10,997.01 : x
  2. Step 2: Convert to fraction form
    14,775.23/20,403.23 = 10,997.01/x
  3. Step 3: Cross multiply
    14,775.23x = 20,403.23 × 10,997.01
  4. Step 4: Simplify right side
    14,775.23x = 224,374,469.36
  5. Step 5: Solve for x
    x = 224,374,469.36/14,775.23
  6. Step 6: Final answer
    x = 15,185.86

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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.