Home / 14,523.58-21,783.08-3,994.39

Finding the Fourth Proportional to 14,523.58, 21,783.08 and 3,994.39

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Solution

The fourth proportional to 14,523.58, 21,783.08 and 3,994.39 is: 5,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.58 : 21,783.08 = 3,994.39 : x
  2. Step 2: Convert to fraction form
    14,523.58/21,783.08 = 3,994.39/x
  3. Step 3: Cross multiply
    14,523.58x = 21,783.08 × 3,994.39
  4. Step 4: Simplify right side
    14,523.58x = 87,010,072.45
  5. Step 5: Solve for x
    x = 87,010,072.45/14,523.58
  6. Step 6: Final answer
    x = 5,990.95

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1.5x scale

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.