Home / 19,429.24-29,173.04-11,118.64

Finding the Fourth Proportional to 19,429.24, 29,173.04 and 11,118.64

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Solution

The fourth proportional to 19,429.24, 29,173.04 and 11,118.64 is: 16,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.24 : 29,173.04 = 11,118.64 : x
  2. Step 2: Convert to fraction form
    19,429.24/29,173.04 = 11,118.64/x
  3. Step 3: Cross multiply
    19,429.24x = 29,173.04 × 11,118.64
  4. Step 4: Simplify right side
    19,429.24x = 324,364,529.47
  5. Step 5: Solve for x
    x = 324,364,529.47/19,429.24
  6. Step 6: Final answer
    x = 16,694.66

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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.