Home / 37,145.06-55,725.79-13,771.49

Finding the Fourth Proportional to 37,145.06, 55,725.79 and 13,771.49

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Solution

The fourth proportional to 37,145.06, 55,725.79 and 13,771.49 is: 20,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,145.06 : 55,725.79 = 13,771.49 : x
  2. Step 2: Convert to fraction form
    37,145.06/55,725.79 = 13,771.49/x
  3. Step 3: Cross multiply
    37,145.06x = 55,725.79 × 13,771.49
  4. Step 4: Simplify right side
    37,145.06x = 767,427,159.73
  5. Step 5: Solve for x
    x = 767,427,159.73/37,145.06
  6. Step 6: Final answer
    x = 20,660.28

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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.