Home / 27,676.65-38,194.61-15,741.70

Finding the Fourth Proportional to 27,676.65, 38,194.61 and 15,741.70

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Solution

The fourth proportional to 27,676.65, 38,194.61 and 15,741.70 is: 21,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.65 : 38,194.61 = 15,741.70 : x
  2. Step 2: Convert to fraction form
    27,676.65/38,194.61 = 15,741.70/x
  3. Step 3: Cross multiply
    27,676.65x = 38,194.61 × 15,741.70
  4. Step 4: Simplify right side
    27,676.65x = 601,248,092.24
  5. Step 5: Solve for x
    x = 601,248,092.24/27,676.65
  6. Step 6: Final answer
    x = 21,724.02

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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.