Home / 14,249.74-19,664.60-7,962.12

Finding the Fourth Proportional to 14,249.74, 19,664.60 and 7,962.12

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Solution

The fourth proportional to 14,249.74, 19,664.60 and 7,962.12 is: 10,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.74 : 19,664.60 = 7,962.12 : x
  2. Step 2: Convert to fraction form
    14,249.74/19,664.60 = 7,962.12/x
  3. Step 3: Cross multiply
    14,249.74x = 19,664.60 × 7,962.12
  4. Step 4: Simplify right side
    14,249.74x = 156,571,904.95
  5. Step 5: Solve for x
    x = 156,571,904.95/14,249.74
  6. Step 6: Final answer
    x = 10,987.70

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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.