Home / 24,780.89-34,197.54-13,450.39

Finding the Fourth Proportional to 24,780.89, 34,197.54 and 13,450.39

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Solution

The fourth proportional to 24,780.89, 34,197.54 and 13,450.39 is: 18,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,780.89 : 34,197.54 = 13,450.39 : x
  2. Step 2: Convert to fraction form
    24,780.89/34,197.54 = 13,450.39/x
  3. Step 3: Cross multiply
    24,780.89x = 34,197.54 × 13,450.39
  4. Step 4: Simplify right side
    24,780.89x = 459,970,163.48
  5. Step 5: Solve for x
    x = 459,970,163.48/24,780.89
  6. Step 6: Final answer
    x = 18,561.49

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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.