Home / 14,464.50-19,962.24-8,178.09

Finding the Fourth Proportional to 14,464.50, 19,962.24 and 8,178.09

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Solution

The fourth proportional to 14,464.50, 19,962.24 and 8,178.09 is: 11,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.50 : 19,962.24 = 8,178.09 : x
  2. Step 2: Convert to fraction form
    14,464.50/19,962.24 = 8,178.09/x
  3. Step 3: Cross multiply
    14,464.50x = 19,962.24 × 8,178.09
  4. Step 4: Simplify right side
    14,464.50x = 163,252,995.32
  5. Step 5: Solve for x
    x = 163,252,995.32/14,464.50
  6. Step 6: Final answer
    x = 11,286.46

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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.