Home / 27,310.16-37,680.19-18,814.58

Finding the Fourth Proportional to 27,310.16, 37,680.19 and 18,814.58

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Solution

The fourth proportional to 27,310.16, 37,680.19 and 18,814.58 is: 25,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.16 : 37,680.19 = 18,814.58 : x
  2. Step 2: Convert to fraction form
    27,310.16/37,680.19 = 18,814.58/x
  3. Step 3: Cross multiply
    27,310.16x = 37,680.19 × 18,814.58
  4. Step 4: Simplify right side
    27,310.16x = 708,936,855.03
  5. Step 5: Solve for x
    x = 708,936,855.03/27,310.16
  6. Step 6: Final answer
    x = 25,958.72

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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.