Home / 38,584.86-57,886.48-12,289.56

Finding the Fourth Proportional to 38,584.86, 57,886.48 and 12,289.56

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Solution

The fourth proportional to 38,584.86, 57,886.48 and 12,289.56 is: 18,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.86 : 57,886.48 = 12,289.56 : x
  2. Step 2: Convert to fraction form
    38,584.86/57,886.48 = 12,289.56/x
  3. Step 3: Cross multiply
    38,584.86x = 57,886.48 × 12,289.56
  4. Step 4: Simplify right side
    38,584.86x = 711,399,369.15
  5. Step 5: Solve for x
    x = 711,399,369.15/38,584.86
  6. Step 6: Final answer
    x = 18,437.27

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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.