Home / 18,482.98-25,517.82-12,028.78

Finding the Fourth Proportional to 18,482.98, 25,517.82 and 12,028.78

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Solution

The fourth proportional to 18,482.98, 25,517.82 and 12,028.78 is: 16,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.98 : 25,517.82 = 12,028.78 : x
  2. Step 2: Convert to fraction form
    18,482.98/25,517.82 = 12,028.78/x
  3. Step 3: Cross multiply
    18,482.98x = 25,517.82 × 12,028.78
  4. Step 4: Simplify right side
    18,482.98x = 306,948,242.86
  5. Step 5: Solve for x
    x = 306,948,242.86/18,482.98
  6. Step 6: Final answer
    x = 16,607.08

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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.