Home / 19,714.69-27,206.89-11,218.04

Finding the Fourth Proportional to 19,714.69, 27,206.89 and 11,218.04

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Solution

The fourth proportional to 19,714.69, 27,206.89 and 11,218.04 is: 15,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.69 : 27,206.89 = 11,218.04 : x
  2. Step 2: Convert to fraction form
    19,714.69/27,206.89 = 11,218.04/x
  3. Step 3: Cross multiply
    19,714.69x = 27,206.89 × 11,218.04
  4. Step 4: Simplify right side
    19,714.69x = 305,208,071.28
  5. Step 5: Solve for x
    x = 305,208,071.28/19,714.69
  6. Step 6: Final answer
    x = 15,481.25

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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.