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Finding the Fourth Proportional to 14,191.17, 19,441.99 and 13,659.11

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Solution

The fourth proportional to 14,191.17, 19,441.99 and 13,659.11 is: 18,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.17 : 19,441.99 = 13,659.11 : x
  2. Step 2: Convert to fraction form
    14,191.17/19,441.99 = 13,659.11/x
  3. Step 3: Cross multiply
    14,191.17x = 19,441.99 × 13,659.11
  4. Step 4: Simplify right side
    14,191.17x = 265,560,382.16
  5. Step 5: Solve for x
    x = 265,560,382.16/14,191.17
  6. Step 6: Final answer
    x = 18,713.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.