Home / 37,145.31-55,726.16-13,771.75

Finding the Fourth Proportional to 37,145.31, 55,726.16 and 13,771.75

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Solution

The fourth proportional to 37,145.31, 55,726.16 and 13,771.75 is: 20,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,145.31 : 55,726.16 = 13,771.75 : x
  2. Step 2: Convert to fraction form
    37,145.31/55,726.16 = 13,771.75/x
  3. Step 3: Cross multiply
    37,145.31x = 55,726.16 × 13,771.75
  4. Step 4: Simplify right side
    37,145.31x = 767,446,743.98
  5. Step 5: Solve for x
    x = 767,446,743.98/37,145.31
  6. Step 6: Final answer
    x = 20,660.66

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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.