Home / 25,995.56-38,998.14-8,230.70

Finding the Fourth Proportional to 25,995.56, 38,998.14 and 8,230.70

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Solution

The fourth proportional to 25,995.56, 38,998.14 and 8,230.70 is: 12,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,995.56 : 38,998.14 = 8,230.70 : x
  2. Step 2: Convert to fraction form
    25,995.56/38,998.14 = 8,230.70/x
  3. Step 3: Cross multiply
    25,995.56x = 38,998.14 × 8,230.70
  4. Step 4: Simplify right side
    25,995.56x = 320,981,795.91
  5. Step 5: Solve for x
    x = 320,981,795.91/25,995.56
  6. Step 6: Final answer
    x = 12,347.56

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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.