Home / 14,587.84-21,885.01-4,198.78

Finding the Fourth Proportional to 14,587.84, 21,885.01 and 4,198.78

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Solution

The fourth proportional to 14,587.84, 21,885.01 and 4,198.78 is: 6,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.84 : 21,885.01 = 4,198.78 : x
  2. Step 2: Convert to fraction form
    14,587.84/21,885.01 = 4,198.78/x
  3. Step 3: Cross multiply
    14,587.84x = 21,885.01 × 4,198.78
  4. Step 4: Simplify right side
    14,587.84x = 91,890,359.15
  5. Step 5: Solve for x
    x = 91,890,359.15/14,587.84
  6. Step 6: Final answer
    x = 6,299.11

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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.