Home / 14,187.34-21,281.28-3,799

Finding the Fourth Proportional to 14,187.34, 21,281.28 and 3,799

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Solution

The fourth proportional to 14,187.34, 21,281.28 and 3,799 is: 5,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.34 : 21,281.28 = 3,799 : x
  2. Step 2: Convert to fraction form
    14,187.34/21,281.28 = 3,799/x
  3. Step 3: Cross multiply
    14,187.34x = 21,281.28 × 3,799
  4. Step 4: Simplify right side
    14,187.34x = 80,847,582.72
  5. Step 5: Solve for x
    x = 80,847,582.72/14,187.34
  6. Step 6: Final answer
    x = 5,698.57

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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.