Home / 12,650.85-18,976.23-4,854.20

Finding the Fourth Proportional to 12,650.85, 18,976.23 and 4,854.20

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Solution

The fourth proportional to 12,650.85, 18,976.23 and 4,854.20 is: 7,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.85 : 18,976.23 = 4,854.20 : x
  2. Step 2: Convert to fraction form
    12,650.85/18,976.23 = 4,854.20/x
  3. Step 3: Cross multiply
    12,650.85x = 18,976.23 × 4,854.20
  4. Step 4: Simplify right side
    12,650.85x = 92,114,320.78
  5. Step 5: Solve for x
    x = 92,114,320.78/12,650.85
  6. Step 6: Final answer
    x = 7,281.28

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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.