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Finding the Fourth Proportional to 19,704.51, 27,192.14 and 10,751.99

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Solution

The fourth proportional to 19,704.51, 27,192.14 and 10,751.99 is: 14,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.51 : 27,192.14 = 10,751.99 : x
  2. Step 2: Convert to fraction form
    19,704.51/27,192.14 = 10,751.99/x
  3. Step 3: Cross multiply
    19,704.51x = 27,192.14 × 10,751.99
  4. Step 4: Simplify right side
    19,704.51x = 292,369,427.64
  5. Step 5: Solve for x
    x = 292,369,427.64/19,704.51
  6. Step 6: Final answer
    x = 14,837.69

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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.