Home / 38,512.51-57,770.67-12,214.82

Finding the Fourth Proportional to 38,512.51, 57,770.67 and 12,214.82

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Solution

The fourth proportional to 38,512.51, 57,770.67 and 12,214.82 is: 18,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.51 : 57,770.67 = 12,214.82 : x
  2. Step 2: Convert to fraction form
    38,512.51/57,770.67 = 12,214.82/x
  3. Step 3: Cross multiply
    38,512.51x = 57,770.67 × 12,214.82
  4. Step 4: Simplify right side
    38,512.51x = 705,658,335.33
  5. Step 5: Solve for x
    x = 705,658,335.33/38,512.51
  6. Step 6: Final answer
    x = 18,322.83

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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.