Home / 25,997.59-38,999.63-8,462.71

Finding the Fourth Proportional to 25,997.59, 38,999.63 and 8,462.71

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Solution

The fourth proportional to 25,997.59, 38,999.63 and 8,462.71 is: 12,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,997.59 : 38,999.63 = 8,462.71 : x
  2. Step 2: Convert to fraction form
    25,997.59/38,999.63 = 8,462.71/x
  3. Step 3: Cross multiply
    25,997.59x = 38,999.63 × 8,462.71
  4. Step 4: Simplify right side
    25,997.59x = 330,042,558.80
  5. Step 5: Solve for x
    x = 330,042,558.80/25,997.59
  6. Step 6: Final answer
    x = 12,695.12

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.