Home / 19,713.68-27,208.10-11,760.59

Finding the Fourth Proportional to 19,713.68, 27,208.10 and 11,760.59

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Solution

The fourth proportional to 19,713.68, 27,208.10 and 11,760.59 is: 16,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.68 : 27,208.10 = 11,760.59 : x
  2. Step 2: Convert to fraction form
    19,713.68/27,208.10 = 11,760.59/x
  3. Step 3: Cross multiply
    19,713.68x = 27,208.10 × 11,760.59
  4. Step 4: Simplify right side
    19,713.68x = 319,983,406.20
  5. Step 5: Solve for x
    x = 319,983,406.20/19,713.68
  6. Step 6: Final answer
    x = 16,231.54

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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.