Home / 19,404.44-26,781.03-11,855.13

Finding the Fourth Proportional to 19,404.44, 26,781.03 and 11,855.13

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Solution

The fourth proportional to 19,404.44, 26,781.03 and 11,855.13 is: 16,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404.44 : 26,781.03 = 11,855.13 : x
  2. Step 2: Convert to fraction form
    19,404.44/26,781.03 = 11,855.13/x
  3. Step 3: Cross multiply
    19,404.44x = 26,781.03 × 11,855.13
  4. Step 4: Simplify right side
    19,404.44x = 317,492,532.91
  5. Step 5: Solve for x
    x = 317,492,532.91/19,404.44
  6. Step 6: Final answer
    x = 16,361.85

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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.