Home / 18,555.64-27,833.22-4,515.69

Finding the Fourth Proportional to 18,555.64, 27,833.22 and 4,515.69

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Solution

The fourth proportional to 18,555.64, 27,833.22 and 4,515.69 is: 6,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.64 : 27,833.22 = 4,515.69 : x
  2. Step 2: Convert to fraction form
    18,555.64/27,833.22 = 4,515.69/x
  3. Step 3: Cross multiply
    18,555.64x = 27,833.22 × 4,515.69
  4. Step 4: Simplify right side
    18,555.64x = 125,686,198.87
  5. Step 5: Solve for x
    x = 125,686,198.87/18,555.64
  6. Step 6: Final answer
    x = 6,773.48

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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.