Home / 25,766.96-38,641.33-12,256.54

Finding the Fourth Proportional to 25,766.96, 38,641.33 and 12,256.54

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Solution

The fourth proportional to 25,766.96, 38,641.33 and 12,256.54 is: 18,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,766.96 : 38,641.33 = 12,256.54 : x
  2. Step 2: Convert to fraction form
    25,766.96/38,641.33 = 12,256.54/x
  3. Step 3: Cross multiply
    25,766.96x = 38,641.33 × 12,256.54
  4. Step 4: Simplify right side
    25,766.96x = 473,608,752.31
  5. Step 5: Solve for x
    x = 473,608,752.31/25,766.96
  6. Step 6: Final answer
    x = 18,380.47

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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.