Home / 14,963.46-20,649.72-8,249.36

Finding the Fourth Proportional to 14,963.46, 20,649.72 and 8,249.36

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Solution

The fourth proportional to 14,963.46, 20,649.72 and 8,249.36 is: 11,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.46 : 20,649.72 = 8,249.36 : x
  2. Step 2: Convert to fraction form
    14,963.46/20,649.72 = 8,249.36/x
  3. Step 3: Cross multiply
    14,963.46x = 20,649.72 × 8,249.36
  4. Step 4: Simplify right side
    14,963.46x = 170,346,870.93
  5. Step 5: Solve for x
    x = 170,346,870.93/14,963.46
  6. Step 6: Final answer
    x = 11,384.19

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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.