Home / 14,249.24-19,663.91-7,961.62

Finding the Fourth Proportional to 14,249.24, 19,663.91 and 7,961.62

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Solution

The fourth proportional to 14,249.24, 19,663.91 and 7,961.62 is: 10,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.24 : 19,663.91 = 7,961.62 : x
  2. Step 2: Convert to fraction form
    14,249.24/19,663.91 = 7,961.62/x
  3. Step 3: Cross multiply
    14,249.24x = 19,663.91 × 7,961.62
  4. Step 4: Simplify right side
    14,249.24x = 156,556,579.13
  5. Step 5: Solve for x
    x = 156,556,579.13/14,249.24
  6. Step 6: Final answer
    x = 10,987.01

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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.