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Finding the Fourth Proportional to 19,593.25, 27,045.36 and 12,039.88

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Solution

The fourth proportional to 19,593.25, 27,045.36 and 12,039.88 is: 16,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.25 : 27,045.36 = 12,039.88 : x
  2. Step 2: Convert to fraction form
    19,593.25/27,045.36 = 12,039.88/x
  3. Step 3: Cross multiply
    19,593.25x = 27,045.36 × 12,039.88
  4. Step 4: Simplify right side
    19,593.25x = 325,622,888.96
  5. Step 5: Solve for x
    x = 325,622,888.96/19,593.25
  6. Step 6: Final answer
    x = 16,619.14

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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.