Home / 19,656.88-27,127.10-11,273.38

Finding the Fourth Proportional to 19,656.88, 27,127.10 and 11,273.38

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Solution

The fourth proportional to 19,656.88, 27,127.10 and 11,273.38 is: 15,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.88 : 27,127.10 = 11,273.38 : x
  2. Step 2: Convert to fraction form
    19,656.88/27,127.10 = 11,273.38/x
  3. Step 3: Cross multiply
    19,656.88x = 27,127.10 × 11,273.38
  4. Step 4: Simplify right side
    19,656.88x = 305,814,106.60
  5. Step 5: Solve for x
    x = 305,814,106.60/19,656.88
  6. Step 6: Final answer
    x = 15,557.61

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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.