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Finding the Fourth Proportional to 14,412.03, 19,891.79 and 9,367.48

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Solution

The fourth proportional to 14,412.03, 19,891.79 and 9,367.48 is: 12,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.03 : 19,891.79 = 9,367.48 : x
  2. Step 2: Convert to fraction form
    14,412.03/19,891.79 = 9,367.48/x
  3. Step 3: Cross multiply
    14,412.03x = 19,891.79 × 9,367.48
  4. Step 4: Simplify right side
    14,412.03x = 186,335,944.99
  5. Step 5: Solve for x
    x = 186,335,944.99/14,412.03
  6. Step 6: Final answer
    x = 12,929.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.