Home / 55,327.86-82,991.64-13,774.86

Finding the Fourth Proportional to 55,327.86, 82,991.64 and 13,774.86

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Solution

The fourth proportional to 55,327.86, 82,991.64 and 13,774.86 is: 20,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.86 : 82,991.64 = 13,774.86 : x
  2. Step 2: Convert to fraction form
    55,327.86/82,991.64 = 13,774.86/x
  3. Step 3: Cross multiply
    55,327.86x = 82,991.64 × 13,774.86
  4. Step 4: Simplify right side
    55,327.86x = 1,143,198,222.17
  5. Step 5: Solve for x
    x = 1,143,198,222.17/55,327.86
  6. Step 6: Final answer
    x = 20,662.25

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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.