Home / 18,730.20-25,847.66-10,772.24

Finding the Fourth Proportional to 18,730.20, 25,847.66 and 10,772.24

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Solution

The fourth proportional to 18,730.20, 25,847.66 and 10,772.24 is: 14,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.20 : 25,847.66 = 10,772.24 : x
  2. Step 2: Convert to fraction form
    18,730.20/25,847.66 = 10,772.24/x
  3. Step 3: Cross multiply
    18,730.20x = 25,847.66 × 10,772.24
  4. Step 4: Simplify right side
    18,730.20x = 278,437,196.96
  5. Step 5: Solve for x
    x = 278,437,196.96/18,730.20
  6. Step 6: Final answer
    x = 14,865.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.