Home / 14,354.25-21,530.13-4,991.85

Finding the Fourth Proportional to 14,354.25, 21,530.13 and 4,991.85

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Solution

The fourth proportional to 14,354.25, 21,530.13 and 4,991.85 is: 7,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.25 : 21,530.13 = 4,991.85 : x
  2. Step 2: Convert to fraction form
    14,354.25/21,530.13 = 4,991.85/x
  3. Step 3: Cross multiply
    14,354.25x = 21,530.13 × 4,991.85
  4. Step 4: Simplify right side
    14,354.25x = 107,475,179.44
  5. Step 5: Solve for x
    x = 107,475,179.44/14,354.25
  6. Step 6: Final answer
    x = 7,487.34

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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.