Home / 27,886.14-38,470.32-16,556.09

Finding the Fourth Proportional to 27,886.14, 38,470.32 and 16,556.09

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Solution

The fourth proportional to 27,886.14, 38,470.32 and 16,556.09 is: 22,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.14 : 38,470.32 = 16,556.09 : x
  2. Step 2: Convert to fraction form
    27,886.14/38,470.32 = 16,556.09/x
  3. Step 3: Cross multiply
    27,886.14x = 38,470.32 × 16,556.09
  4. Step 4: Simplify right side
    27,886.14x = 636,917,887.90
  5. Step 5: Solve for x
    x = 636,917,887.90/27,886.14
  6. Step 6: Final answer
    x = 22,839.94

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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.