Home / 13,104.55-19,669.17-8,725.06

Finding the Fourth Proportional to 13,104.55, 19,669.17 and 8,725.06

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Solution

The fourth proportional to 13,104.55, 19,669.17 and 8,725.06 is: 13,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.55 : 19,669.17 = 8,725.06 : x
  2. Step 2: Convert to fraction form
    13,104.55/19,669.17 = 8,725.06/x
  3. Step 3: Cross multiply
    13,104.55x = 19,669.17 × 8,725.06
  4. Step 4: Simplify right side
    13,104.55x = 171,614,688.40
  5. Step 5: Solve for x
    x = 171,614,688.40/13,104.55
  6. Step 6: Final answer
    x = 13,095.81

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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.