Home / 19,708.88-27,202.94-11,330.24

Finding the Fourth Proportional to 19,708.88, 27,202.94 and 11,330.24

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Solution

The fourth proportional to 19,708.88, 27,202.94 and 11,330.24 is: 15,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.88 : 27,202.94 = 11,330.24 : x
  2. Step 2: Convert to fraction form
    19,708.88/27,202.94 = 11,330.24/x
  3. Step 3: Cross multiply
    19,708.88x = 27,202.94 × 11,330.24
  4. Step 4: Simplify right side
    19,708.88x = 308,215,838.91
  5. Step 5: Solve for x
    x = 308,215,838.91/19,708.88
  6. Step 6: Final answer
    x = 15,638.42

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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.