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Finding the Fourth Proportional to 14,593.80, 21,858.30 and 12,001.80

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Solution

The fourth proportional to 14,593.80, 21,858.30 and 12,001.80 is: 17,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.80 : 21,858.30 = 12,001.80 : x
  2. Step 2: Convert to fraction form
    14,593.80/21,858.30 = 12,001.80/x
  3. Step 3: Cross multiply
    14,593.80x = 21,858.30 × 12,001.80
  4. Step 4: Simplify right side
    14,593.80x = 262,338,944.94
  5. Step 5: Solve for x
    x = 262,338,944.94/14,593.80
  6. Step 6: Final answer
    x = 17,976.05

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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.