Home / 19,451.90-29,175.12-11,104.84

Finding the Fourth Proportional to 19,451.90, 29,175.12 and 11,104.84

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Solution

The fourth proportional to 19,451.90, 29,175.12 and 11,104.84 is: 16,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.90 : 29,175.12 = 11,104.84 : x
  2. Step 2: Convert to fraction form
    19,451.90/29,175.12 = 11,104.84/x
  3. Step 3: Cross multiply
    19,451.90x = 29,175.12 × 11,104.84
  4. Step 4: Simplify right side
    19,451.90x = 323,985,039.58
  5. Step 5: Solve for x
    x = 323,985,039.58/19,451.90
  6. Step 6: Final answer
    x = 16,655.70

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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.