Home / 13,217.64-19,827.15-3,357

Finding the Fourth Proportional to 13,217.64, 19,827.15 and 3,357

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Solution

The fourth proportional to 13,217.64, 19,827.15 and 3,357 is: 5,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.64 : 19,827.15 = 3,357 : x
  2. Step 2: Convert to fraction form
    13,217.64/19,827.15 = 3,357/x
  3. Step 3: Cross multiply
    13,217.64x = 19,827.15 × 3,357
  4. Step 4: Simplify right side
    13,217.64x = 66,559,742.55
  5. Step 5: Solve for x
    x = 66,559,742.55/13,217.64
  6. Step 6: Final answer
    x = 5,035.68

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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.