Home / 55,509.74-83,265.64-18,069.68

Finding the Fourth Proportional to 55,509.74, 83,265.64 and 18,069.68

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Solution

The fourth proportional to 55,509.74, 83,265.64 and 18,069.68 is: 27,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509.74 : 83,265.64 = 18,069.68 : x
  2. Step 2: Convert to fraction form
    55,509.74/83,265.64 = 18,069.68/x
  3. Step 3: Cross multiply
    55,509.74x = 83,265.64 × 18,069.68
  4. Step 4: Simplify right side
    55,509.74x = 1,504,583,469.80
  5. Step 5: Solve for x
    x = 1,504,583,469.80/55,509.74
  6. Step 6: Final answer
    x = 27,104.86

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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.