Home / 37,150.60-55,725.90-13,772.20

Finding the Fourth Proportional to 37,150.60, 55,725.90 and 13,772.20

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Solution

The fourth proportional to 37,150.60, 55,725.90 and 13,772.20 is: 20,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,150.60 : 55,725.90 = 13,772.20 : x
  2. Step 2: Convert to fraction form
    37,150.60/55,725.90 = 13,772.20/x
  3. Step 3: Cross multiply
    37,150.60x = 55,725.90 × 13,772.20
  4. Step 4: Simplify right side
    37,150.60x = 767,468,239.98
  5. Step 5: Solve for x
    x = 767,468,239.98/37,150.60
  6. Step 6: Final answer
    x = 20,658.30

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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.