Home / 14,963.55-20,650.70-8,249.17

Finding the Fourth Proportional to 14,963.55, 20,650.70 and 8,249.17

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Solution

The fourth proportional to 14,963.55, 20,650.70 and 8,249.17 is: 11,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.55 : 20,650.70 = 8,249.17 : x
  2. Step 2: Convert to fraction form
    14,963.55/20,650.70 = 8,249.17/x
  3. Step 3: Cross multiply
    14,963.55x = 20,650.70 × 8,249.17
  4. Step 4: Simplify right side
    14,963.55x = 170,351,134.92
  5. Step 5: Solve for x
    x = 170,351,134.92/14,963.55
  6. Step 6: Final answer
    x = 11,384.41

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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.