Home / 55,182.11-82,773.36-13,629.11

Finding the Fourth Proportional to 55,182.11, 82,773.36 and 13,629.11

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Solution

The fourth proportional to 55,182.11, 82,773.36 and 13,629.11 is: 20,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182.11 : 82,773.36 = 13,629.11 : x
  2. Step 2: Convert to fraction form
    55,182.11/82,773.36 = 13,629.11/x
  3. Step 3: Cross multiply
    55,182.11x = 82,773.36 × 13,629.11
  4. Step 4: Simplify right side
    55,182.11x = 1,128,126,814.64
  5. Step 5: Solve for x
    x = 1,128,126,814.64/55,182.11
  6. Step 6: Final answer
    x = 20,443.71

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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.