Home / 14,963.88-20,650.30-8,249.76

Finding the Fourth Proportional to 14,963.88, 20,650.30 and 8,249.76

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Solution

The fourth proportional to 14,963.88, 20,650.30 and 8,249.76 is: 11,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.88 : 20,650.30 = 8,249.76 : x
  2. Step 2: Convert to fraction form
    14,963.88/20,650.30 = 8,249.76/x
  3. Step 3: Cross multiply
    14,963.88x = 20,650.30 × 8,249.76
  4. Step 4: Simplify right side
    14,963.88x = 170,360,018.93
  5. Step 5: Solve for x
    x = 170,360,018.93/14,963.88
  6. Step 6: Final answer
    x = 11,384.75

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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.