Home / 14,031.82-21,050.97-4,170.88

Finding the Fourth Proportional to 14,031.82, 21,050.97 and 4,170.88

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Solution

The fourth proportional to 14,031.82, 21,050.97 and 4,170.88 is: 6,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.82 : 21,050.97 = 4,170.88 : x
  2. Step 2: Convert to fraction form
    14,031.82/21,050.97 = 4,170.88/x
  3. Step 3: Cross multiply
    14,031.82x = 21,050.97 × 4,170.88
  4. Step 4: Simplify right side
    14,031.82x = 87,801,069.75
  5. Step 5: Solve for x
    x = 87,801,069.75/14,031.82
  6. Step 6: Final answer
    x = 6,257.28

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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.