Home / 38,922.96-58,382.28-12,627.12

Finding the Fourth Proportional to 38,922.96, 58,382.28 and 12,627.12

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Solution

The fourth proportional to 38,922.96, 58,382.28 and 12,627.12 is: 18,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922.96 : 58,382.28 = 12,627.12 : x
  2. Step 2: Convert to fraction form
    38,922.96/58,382.28 = 12,627.12/x
  3. Step 3: Cross multiply
    38,922.96x = 58,382.28 × 12,627.12
  4. Step 4: Simplify right side
    38,922.96x = 737,200,055.43
  5. Step 5: Solve for x
    x = 737,200,055.43/38,922.96
  6. Step 6: Final answer
    x = 18,939.98

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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.