Home / 37,515.48-56,245.27-12,540.75

Finding the Fourth Proportional to 37,515.48, 56,245.27 and 12,540.75

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Solution

The fourth proportional to 37,515.48, 56,245.27 and 12,540.75 is: 18,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,515.48 : 56,245.27 = 12,540.75 : x
  2. Step 2: Convert to fraction form
    37,515.48/56,245.27 = 12,540.75/x
  3. Step 3: Cross multiply
    37,515.48x = 56,245.27 × 12,540.75
  4. Step 4: Simplify right side
    37,515.48x = 705,357,869.75
  5. Step 5: Solve for x
    x = 705,357,869.75/37,515.48
  6. Step 6: Final answer
    x = 18,801.78

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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.