Home / 14,071.20-21,106.92-3,682.80

Finding the Fourth Proportional to 14,071.20, 21,106.92 and 3,682.80

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Solution

The fourth proportional to 14,071.20, 21,106.92 and 3,682.80 is: 5,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.20 : 21,106.92 = 3,682.80 : x
  2. Step 2: Convert to fraction form
    14,071.20/21,106.92 = 3,682.80/x
  3. Step 3: Cross multiply
    14,071.20x = 21,106.92 × 3,682.80
  4. Step 4: Simplify right side
    14,071.20x = 77,732,564.98
  5. Step 5: Solve for x
    x = 77,732,564.98/14,071.20
  6. Step 6: Final answer
    x = 5,524.23

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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.