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Finding the Fourth Proportional to 14,991.36, 22,538.88 and 13,850.88

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Solution

The fourth proportional to 14,991.36, 22,538.88 and 13,850.88 is: 20,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.36 : 22,538.88 = 13,850.88 : x
  2. Step 2: Convert to fraction form
    14,991.36/22,538.88 = 13,850.88/x
  3. Step 3: Cross multiply
    14,991.36x = 22,538.88 × 13,850.88
  4. Step 4: Simplify right side
    14,991.36x = 312,183,322.21
  5. Step 5: Solve for x
    x = 312,183,322.21/14,991.36
  6. Step 6: Final answer
    x = 20,824.22

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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.