Home / 38,586.87-57,891.26-12,293.64

Finding the Fourth Proportional to 38,586.87, 57,891.26 and 12,293.64

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Solution

The fourth proportional to 38,586.87, 57,891.26 and 12,293.64 is: 18,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.87 : 57,891.26 = 12,293.64 : x
  2. Step 2: Convert to fraction form
    38,586.87/57,891.26 = 12,293.64/x
  3. Step 3: Cross multiply
    38,586.87x = 57,891.26 × 12,293.64
  4. Step 4: Simplify right side
    38,586.87x = 711,694,248.12
  5. Step 5: Solve for x
    x = 711,694,248.12/38,586.87
  6. Step 6: Final answer
    x = 18,443.95

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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.