Home / 27,669.41-38,191.97-19,288.61

Finding the Fourth Proportional to 27,669.41, 38,191.97 and 19,288.61

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Solution

The fourth proportional to 27,669.41, 38,191.97 and 19,288.61 is: 26,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.41 : 38,191.97 = 19,288.61 : x
  2. Step 2: Convert to fraction form
    27,669.41/38,191.97 = 19,288.61/x
  3. Step 3: Cross multiply
    27,669.41x = 38,191.97 × 19,288.61
  4. Step 4: Simplify right side
    27,669.41x = 736,669,918.02
  5. Step 5: Solve for x
    x = 736,669,918.02/27,669.41
  6. Step 6: Final answer
    x = 26,623.98

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Similar ratio
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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.