Home / 55,250.37-82,878.39-15,813.36

Finding the Fourth Proportional to 55,250.37, 82,878.39 and 15,813.36

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Solution

The fourth proportional to 55,250.37, 82,878.39 and 15,813.36 is: 23,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,250.37 : 82,878.39 = 15,813.36 : x
  2. Step 2: Convert to fraction form
    55,250.37/82,878.39 = 15,813.36/x
  3. Step 3: Cross multiply
    55,250.37x = 82,878.39 × 15,813.36
  4. Step 4: Simplify right side
    55,250.37x = 1,310,585,817.29
  5. Step 5: Solve for x
    x = 1,310,585,817.29/55,250.37
  6. Step 6: Final answer
    x = 23,720.85

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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.