Home / 25,670.24-38,511.12-8,141.12

Finding the Fourth Proportional to 25,670.24, 38,511.12 and 8,141.12

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Solution

The fourth proportional to 25,670.24, 38,511.12 and 8,141.12 is: 12,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.24 : 38,511.12 = 8,141.12 : x
  2. Step 2: Convert to fraction form
    25,670.24/38,511.12 = 8,141.12/x
  3. Step 3: Cross multiply
    25,670.24x = 38,511.12 × 8,141.12
  4. Step 4: Simplify right side
    25,670.24x = 313,523,649.25
  5. Step 5: Solve for x
    x = 313,523,649.25/25,670.24
  6. Step 6: Final answer
    x = 12,213.51

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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.