Home / 13,184.34-19,773.87-3,821.95

Finding the Fourth Proportional to 13,184.34, 19,773.87 and 3,821.95

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Solution

The fourth proportional to 13,184.34, 19,773.87 and 3,821.95 is: 5,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.34 : 19,773.87 = 3,821.95 : x
  2. Step 2: Convert to fraction form
    13,184.34/19,773.87 = 3,821.95/x
  3. Step 3: Cross multiply
    13,184.34x = 19,773.87 × 3,821.95
  4. Step 4: Simplify right side
    13,184.34x = 75,574,742.45
  5. Step 5: Solve for x
    x = 75,574,742.45/13,184.34
  6. Step 6: Final answer
    x = 5,732.16

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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.