Home / 37,389.20-56,071.67-12,422.54

Finding the Fourth Proportional to 37,389.20, 56,071.67 and 12,422.54

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Solution

The fourth proportional to 37,389.20, 56,071.67 and 12,422.54 is: 18,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,389.20 : 56,071.67 = 12,422.54 : x
  2. Step 2: Convert to fraction form
    37,389.20/56,071.67 = 12,422.54/x
  3. Step 3: Cross multiply
    37,389.20x = 56,071.67 × 12,422.54
  4. Step 4: Simplify right side
    37,389.20x = 696,552,755.30
  5. Step 5: Solve for x
    x = 696,552,755.30/37,389.20
  6. Step 6: Final answer
    x = 18,629.79

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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.