Home / 19,612.43-29,418.64-7,933.85

Finding the Fourth Proportional to 19,612.43, 29,418.64 and 7,933.85

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Solution

The fourth proportional to 19,612.43, 29,418.64 and 7,933.85 is: 11,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.43 : 29,418.64 = 7,933.85 : x
  2. Step 2: Convert to fraction form
    19,612.43/29,418.64 = 7,933.85/x
  3. Step 3: Cross multiply
    19,612.43x = 29,418.64 × 7,933.85
  4. Step 4: Simplify right side
    19,612.43x = 233,403,064.98
  5. Step 5: Solve for x
    x = 233,403,064.98/19,612.43
  6. Step 6: Final answer
    x = 11,900.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.