Home / 37,620.96-56,425.32-13,939.68

Finding the Fourth Proportional to 37,620.96, 56,425.32 and 13,939.68

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Solution

The fourth proportional to 37,620.96, 56,425.32 and 13,939.68 is: 20,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,620.96 : 56,425.32 = 13,939.68 : x
  2. Step 2: Convert to fraction form
    37,620.96/56,425.32 = 13,939.68/x
  3. Step 3: Cross multiply
    37,620.96x = 56,425.32 × 13,939.68
  4. Step 4: Simplify right side
    37,620.96x = 786,550,904.70
  5. Step 5: Solve for x
    x = 786,550,904.70/37,620.96
  6. Step 6: Final answer
    x = 20,907.25

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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.