Home / 13,184.76-19,777.14-3,324

Finding the Fourth Proportional to 13,184.76, 19,777.14 and 3,324

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Solution

The fourth proportional to 13,184.76, 19,777.14 and 3,324 is: 4,986

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.76 : 19,777.14 = 3,324 : x
  2. Step 2: Convert to fraction form
    13,184.76/19,777.14 = 3,324/x
  3. Step 3: Cross multiply
    13,184.76x = 19,777.14 × 3,324
  4. Step 4: Simplify right side
    13,184.76x = 65,739,213.36
  5. Step 5: Solve for x
    x = 65,739,213.36/13,184.76
  6. Step 6: Final answer
    x = 4,986

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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.