Home / 37,485.28-56,233.68-12,517.60

Finding the Fourth Proportional to 37,485.28, 56,233.68 and 12,517.60

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Solution

The fourth proportional to 37,485.28, 56,233.68 and 12,517.60 is: 18,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,485.28 : 56,233.68 = 12,517.60 : x
  2. Step 2: Convert to fraction form
    37,485.28/56,233.68 = 12,517.60/x
  3. Step 3: Cross multiply
    37,485.28x = 56,233.68 × 12,517.60
  4. Step 4: Simplify right side
    37,485.28x = 703,910,712.77
  5. Step 5: Solve for x
    x = 703,910,712.77/37,485.28
  6. Step 6: Final answer
    x = 18,778.32

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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.