Home / 14,963.55-20,649.29-8,249.18

Finding the Fourth Proportional to 14,963.55, 20,649.29 and 8,249.18

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Solution

The fourth proportional to 14,963.55, 20,649.29 and 8,249.18 is: 11,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.55 : 20,649.29 = 8,249.18 : x
  2. Step 2: Convert to fraction form
    14,963.55/20,649.29 = 8,249.18/x
  3. Step 3: Cross multiply
    14,963.55x = 20,649.29 × 8,249.18
  4. Step 4: Simplify right side
    14,963.55x = 170,339,710.08
  5. Step 5: Solve for x
    x = 170,339,710.08/14,963.55
  6. Step 6: Final answer
    x = 11,383.64

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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.