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Finding the Fourth Proportional to 14,560.20, 21,845.03 and 11,956.32

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Solution

The fourth proportional to 14,560.20, 21,845.03 and 11,956.32 is: 17,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.20 : 21,845.03 = 11,956.32 : x
  2. Step 2: Convert to fraction form
    14,560.20/21,845.03 = 11,956.32/x
  3. Step 3: Cross multiply
    14,560.20x = 21,845.03 × 11,956.32
  4. Step 4: Simplify right side
    14,560.20x = 261,186,109.31
  5. Step 5: Solve for x
    x = 261,186,109.31/14,560.20
  6. Step 6: Final answer
    x = 17,938.36

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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.