Home / 36,777.56-55,174.62-13,404.08

Finding the Fourth Proportional to 36,777.56, 55,174.62 and 13,404.08

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Solution

The fourth proportional to 36,777.56, 55,174.62 and 13,404.08 is: 20,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,777.56 : 55,174.62 = 13,404.08 : x
  2. Step 2: Convert to fraction form
    36,777.56/55,174.62 = 13,404.08/x
  3. Step 3: Cross multiply
    36,777.56x = 55,174.62 × 13,404.08
  4. Step 4: Simplify right side
    36,777.56x = 739,565,020.45
  5. Step 5: Solve for x
    x = 739,565,020.45/36,777.56
  6. Step 6: Final answer
    x = 20,109.14

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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.