Home / 14,249.87-19,664.78-7,962.25

Finding the Fourth Proportional to 14,249.87, 19,664.78 and 7,962.25

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Solution

The fourth proportional to 14,249.87, 19,664.78 and 7,962.25 is: 10,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.87 : 19,664.78 = 7,962.25 : x
  2. Step 2: Convert to fraction form
    14,249.87/19,664.78 = 7,962.25/x
  3. Step 3: Cross multiply
    14,249.87x = 19,664.78 × 7,962.25
  4. Step 4: Simplify right side
    14,249.87x = 156,575,805.58
  5. Step 5: Solve for x
    x = 156,575,805.58/14,249.87
  6. Step 6: Final answer
    x = 10,987.87

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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.