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Finding the Fourth Proportional to 14,494.88, 19,853.04 and 13,643.77

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Solution

The fourth proportional to 14,494.88, 19,853.04 and 13,643.77 is: 18,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,494.88 : 19,853.04 = 13,643.77 : x
  2. Step 2: Convert to fraction form
    14,494.88/19,853.04 = 13,643.77/x
  3. Step 3: Cross multiply
    14,494.88x = 19,853.04 × 13,643.77
  4. Step 4: Simplify right side
    14,494.88x = 270,870,311.56
  5. Step 5: Solve for x
    x = 270,870,311.56/14,494.88
  6. Step 6: Final answer
    x = 18,687.32

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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.