Home / 14,144.74-21,217.10-3,756.49

Finding the Fourth Proportional to 14,144.74, 21,217.10 and 3,756.49

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Solution

The fourth proportional to 14,144.74, 21,217.10 and 3,756.49 is: 5,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.74 : 21,217.10 = 3,756.49 : x
  2. Step 2: Convert to fraction form
    14,144.74/21,217.10 = 3,756.49/x
  3. Step 3: Cross multiply
    14,144.74x = 21,217.10 × 3,756.49
  4. Step 4: Simplify right side
    14,144.74x = 79,701,833.37
  5. Step 5: Solve for x
    x = 79,701,833.37/14,144.74
  6. Step 6: Final answer
    x = 5,634.73

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Double scale
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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.