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Finding the Fourth Proportional to 14,009.45, 20,962.23 and 11,227.68

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Solution

The fourth proportional to 14,009.45, 20,962.23 and 11,227.68 is: 16,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.45 : 20,962.23 = 11,227.68 : x
  2. Step 2: Convert to fraction form
    14,009.45/20,962.23 = 11,227.68/x
  3. Step 3: Cross multiply
    14,009.45x = 20,962.23 × 11,227.68
  4. Step 4: Simplify right side
    14,009.45x = 235,357,210.53
  5. Step 5: Solve for x
    x = 235,357,210.53/14,009.45
  6. Step 6: Final answer
    x = 16,799.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.