Home / 18,725.85-25,838.73-10,766.52

Finding the Fourth Proportional to 18,725.85, 25,838.73 and 10,766.52

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Solution

The fourth proportional to 18,725.85, 25,838.73 and 10,766.52 is: 14,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.85 : 25,838.73 = 10,766.52 : x
  2. Step 2: Convert to fraction form
    18,725.85/25,838.73 = 10,766.52/x
  3. Step 3: Cross multiply
    18,725.85x = 25,838.73 × 10,766.52
  4. Step 4: Simplify right side
    18,725.85x = 278,193,203.32
  5. Step 5: Solve for x
    x = 278,193,203.32/18,725.85
  6. Step 6: Final answer
    x = 14,856.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.