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Finding the Fourth Proportional to 14,677.40, 22,016.10 and 11,221.40

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Solution

The fourth proportional to 14,677.40, 22,016.10 and 11,221.40 is: 16,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.40 : 22,016.10 = 11,221.40 : x
  2. Step 2: Convert to fraction form
    14,677.40/22,016.10 = 11,221.40/x
  3. Step 3: Cross multiply
    14,677.40x = 22,016.10 × 11,221.40
  4. Step 4: Simplify right side
    14,677.40x = 247,051,464.54
  5. Step 5: Solve for x
    x = 247,051,464.54/14,677.40
  6. Step 6: Final answer
    x = 16,832.10

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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.