Home / 14,181.10-21,271.65-8,251.90

Finding the Fourth Proportional to 14,181.10, 21,271.65 and 8,251.90

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Solution

The fourth proportional to 14,181.10, 21,271.65 and 8,251.90 is: 12,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.10 : 21,271.65 = 8,251.90 : x
  2. Step 2: Convert to fraction form
    14,181.10/21,271.65 = 8,251.90/x
  3. Step 3: Cross multiply
    14,181.10x = 21,271.65 × 8,251.90
  4. Step 4: Simplify right side
    14,181.10x = 175,531,528.64
  5. Step 5: Solve for x
    x = 175,531,528.64/14,181.10
  6. Step 6: Final answer
    x = 12,377.85

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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.