Home / 25,511.88-38,212.44-12,336.63

Finding the Fourth Proportional to 25,511.88, 38,212.44 and 12,336.63

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Solution

The fourth proportional to 25,511.88, 38,212.44 and 12,336.63 is: 18,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.88 : 38,212.44 = 12,336.63 : x
  2. Step 2: Convert to fraction form
    25,511.88/38,212.44 = 12,336.63/x
  3. Step 3: Cross multiply
    25,511.88x = 38,212.44 × 12,336.63
  4. Step 4: Simplify right side
    25,511.88x = 471,412,733.68
  5. Step 5: Solve for x
    x = 471,412,733.68/25,511.88
  6. Step 6: Final answer
    x = 18,478.17

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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.