Home / 38,514.70-57,776.55-12,222.10

Finding the Fourth Proportional to 38,514.70, 57,776.55 and 12,222.10

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Solution

The fourth proportional to 38,514.70, 57,776.55 and 12,222.10 is: 18,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,514.70 : 57,776.55 = 12,222.10 : x
  2. Step 2: Convert to fraction form
    38,514.70/57,776.55 = 12,222.10/x
  3. Step 3: Cross multiply
    38,514.70x = 57,776.55 × 12,222.10
  4. Step 4: Simplify right side
    38,514.70x = 706,150,771.76
  5. Step 5: Solve for x
    x = 706,150,771.76/38,514.70
  6. Step 6: Final answer
    x = 18,334.58

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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.