Home / 19,446.66-29,199.15-11,136.06

Finding the Fourth Proportional to 19,446.66, 29,199.15 and 11,136.06

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Solution

The fourth proportional to 19,446.66, 29,199.15 and 11,136.06 is: 16,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.66 : 29,199.15 = 11,136.06 : x
  2. Step 2: Convert to fraction form
    19,446.66/29,199.15 = 11,136.06/x
  3. Step 3: Cross multiply
    19,446.66x = 29,199.15 × 11,136.06
  4. Step 4: Simplify right side
    19,446.66x = 325,163,486.35
  5. Step 5: Solve for x
    x = 325,163,486.35/19,446.66
  6. Step 6: Final answer
    x = 16,720.79

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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.