Home / 14,963.41-20,649.65-8,249.30

Finding the Fourth Proportional to 14,963.41, 20,649.65 and 8,249.30

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Solution

The fourth proportional to 14,963.41, 20,649.65 and 8,249.30 is: 11,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.41 : 20,649.65 = 8,249.30 : x
  2. Step 2: Convert to fraction form
    14,963.41/20,649.65 = 8,249.30/x
  3. Step 3: Cross multiply
    14,963.41x = 20,649.65 × 8,249.30
  4. Step 4: Simplify right side
    14,963.41x = 170,345,157.75
  5. Step 5: Solve for x
    x = 170,345,157.75/14,963.41
  6. Step 6: Final answer
    x = 11,384.11

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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.