Home / 18,520.39-27,782.26-6,037.18

Finding the Fourth Proportional to 18,520.39, 27,782.26 and 6,037.18

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Solution

The fourth proportional to 18,520.39, 27,782.26 and 6,037.18 is: 9,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.39 : 27,782.26 = 6,037.18 : x
  2. Step 2: Convert to fraction form
    18,520.39/27,782.26 = 6,037.18/x
  3. Step 3: Cross multiply
    18,520.39x = 27,782.26 × 6,037.18
  4. Step 4: Simplify right side
    18,520.39x = 167,726,419.88
  5. Step 5: Solve for x
    x = 167,726,419.88/18,520.39
  6. Step 6: Final answer
    x = 9,056.31

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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.