Home / 13,225.25-19,827.50-6,884.79

Finding the Fourth Proportional to 13,225.25, 19,827.50 and 6,884.79

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Solution

The fourth proportional to 13,225.25, 19,827.50 and 6,884.79 is: 10,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.25 : 19,827.50 = 6,884.79 : x
  2. Step 2: Convert to fraction form
    13,225.25/19,827.50 = 6,884.79/x
  3. Step 3: Cross multiply
    13,225.25x = 19,827.50 × 6,884.79
  4. Step 4: Simplify right side
    13,225.25x = 136,508,139.30
  5. Step 5: Solve for x
    x = 136,508,139.30/13,225.25
  6. Step 6: Final answer
    x = 10,321.79

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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.