Home / 38,168.74-57,234.88-11,873.71

Finding the Fourth Proportional to 38,168.74, 57,234.88 and 11,873.71

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Solution

The fourth proportional to 38,168.74, 57,234.88 and 11,873.71 is: 17,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.74 : 57,234.88 = 11,873.71 : x
  2. Step 2: Convert to fraction form
    38,168.74/57,234.88 = 11,873.71/x
  3. Step 3: Cross multiply
    38,168.74x = 57,234.88 × 11,873.71
  4. Step 4: Simplify right side
    38,168.74x = 679,590,367.00
  5. Step 5: Solve for x
    x = 679,590,367.00/38,168.74
  6. Step 6: Final answer
    x = 17,804.89

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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.