Home / 14,963.95-20,649.31-8,249.23

Finding the Fourth Proportional to 14,963.95, 20,649.31 and 8,249.23

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Solution

The fourth proportional to 14,963.95, 20,649.31 and 8,249.23 is: 11,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.95 : 20,649.31 = 8,249.23 : x
  2. Step 2: Convert to fraction form
    14,963.95/20,649.31 = 8,249.23/x
  3. Step 3: Cross multiply
    14,963.95x = 20,649.31 × 8,249.23
  4. Step 4: Simplify right side
    14,963.95x = 170,340,907.53
  5. Step 5: Solve for x
    x = 170,340,907.53/14,963.95
  6. Step 6: Final answer
    x = 11,383.42

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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.