Home / 19,910.88-27,429.32-17,069.28

Finding the Fourth Proportional to 19,910.88, 27,429.32 and 17,069.28

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Solution

The fourth proportional to 19,910.88, 27,429.32 and 17,069.28 is: 23,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.88 : 27,429.32 = 17,069.28 : x
  2. Step 2: Convert to fraction form
    19,910.88/27,429.32 = 17,069.28/x
  3. Step 3: Cross multiply
    19,910.88x = 27,429.32 × 17,069.28
  4. Step 4: Simplify right side
    19,910.88x = 468,198,743.29
  5. Step 5: Solve for x
    x = 468,198,743.29/19,910.88
  6. Step 6: Final answer
    x = 23,514.72

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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.