Home / 19,109.26-28,662.66-11,714.76

Finding the Fourth Proportional to 19,109.26, 28,662.66 and 11,714.76

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Solution

The fourth proportional to 19,109.26, 28,662.66 and 11,714.76 is: 17,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.26 : 28,662.66 = 11,714.76 : x
  2. Step 2: Convert to fraction form
    19,109.26/28,662.66 = 11,714.76/x
  3. Step 3: Cross multiply
    19,109.26x = 28,662.66 × 11,714.76
  4. Step 4: Simplify right side
    19,109.26x = 335,776,182.86
  5. Step 5: Solve for x
    x = 335,776,182.86/19,109.26
  6. Step 6: Final answer
    x = 17,571.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.