Home / 19,512.82-29,212.11-12,094.90

Finding the Fourth Proportional to 19,512.82, 29,212.11 and 12,094.90

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Solution

The fourth proportional to 19,512.82, 29,212.11 and 12,094.90 is: 18,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.82 : 29,212.11 = 12,094.90 : x
  2. Step 2: Convert to fraction form
    19,512.82/29,212.11 = 12,094.90/x
  3. Step 3: Cross multiply
    19,512.82x = 29,212.11 × 12,094.90
  4. Step 4: Simplify right side
    19,512.82x = 353,317,549.24
  5. Step 5: Solve for x
    x = 353,317,549.24/19,512.82
  6. Step 6: Final answer
    x = 18,106.94

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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.