Home / 37,772.60-56,664.30-12,813.80

Finding the Fourth Proportional to 37,772.60, 56,664.30 and 12,813.80

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Solution

The fourth proportional to 37,772.60, 56,664.30 and 12,813.80 is: 19,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,772.60 : 56,664.30 = 12,813.80 : x
  2. Step 2: Convert to fraction form
    37,772.60/56,664.30 = 12,813.80/x
  3. Step 3: Cross multiply
    37,772.60x = 56,664.30 × 12,813.80
  4. Step 4: Simplify right side
    37,772.60x = 726,085,007.34
  5. Step 5: Solve for x
    x = 726,085,007.34/37,772.60
  6. Step 6: Final answer
    x = 19,222.53

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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.