Home / 37,012.20-55,518.30-13,635.60

Finding the Fourth Proportional to 37,012.20, 55,518.30 and 13,635.60

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Solution

The fourth proportional to 37,012.20, 55,518.30 and 13,635.60 is: 20,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,012.20 : 55,518.30 = 13,635.60 : x
  2. Step 2: Convert to fraction form
    37,012.20/55,518.30 = 13,635.60/x
  3. Step 3: Cross multiply
    37,012.20x = 55,518.30 × 13,635.60
  4. Step 4: Simplify right side
    37,012.20x = 757,025,331.48
  5. Step 5: Solve for x
    x = 757,025,331.48/37,012.20
  6. Step 6: Final answer
    x = 20,453.40

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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.