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Finding the Fourth Proportional to 14,353.68, 19,684.48 and 13,754.98

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Solution

The fourth proportional to 14,353.68, 19,684.48 and 13,754.98 is: 18,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.68 : 19,684.48 = 13,754.98 : x
  2. Step 2: Convert to fraction form
    14,353.68/19,684.48 = 13,754.98/x
  3. Step 3: Cross multiply
    14,353.68x = 19,684.48 × 13,754.98
  4. Step 4: Simplify right side
    14,353.68x = 270,759,628.71
  5. Step 5: Solve for x
    x = 270,759,628.71/14,353.68
  6. Step 6: Final answer
    x = 18,863.44

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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.