Home / 24,572.89-33,876.21-20,780.80

Finding the Fourth Proportional to 24,572.89, 33,876.21 and 20,780.80

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Solution

The fourth proportional to 24,572.89, 33,876.21 and 20,780.80 is: 28,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,572.89 : 33,876.21 = 20,780.80 : x
  2. Step 2: Convert to fraction form
    24,572.89/33,876.21 = 20,780.80/x
  3. Step 3: Cross multiply
    24,572.89x = 33,876.21 × 20,780.80
  4. Step 4: Simplify right side
    24,572.89x = 703,974,575.39
  5. Step 5: Solve for x
    x = 703,974,575.39/24,572.89
  6. Step 6: Final answer
    x = 28,648.43

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1.5x scale

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.