Home / 36,164.96-54,255.72-13,978.52

Finding the Fourth Proportional to 36,164.96, 54,255.72 and 13,978.52

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Solution

The fourth proportional to 36,164.96, 54,255.72 and 13,978.52 is: 20,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,164.96 : 54,255.72 = 13,978.52 : x
  2. Step 2: Convert to fraction form
    36,164.96/54,255.72 = 13,978.52/x
  3. Step 3: Cross multiply
    36,164.96x = 54,255.72 × 13,978.52
  4. Step 4: Simplify right side
    36,164.96x = 758,414,667.13
  5. Step 5: Solve for x
    x = 758,414,667.13/36,164.96
  6. Step 6: Final answer
    x = 20,970.98

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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.