Home / 14,520.82-21,776.46-4,657.75

Finding the Fourth Proportional to 14,520.82, 21,776.46 and 4,657.75

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Solution

The fourth proportional to 14,520.82, 21,776.46 and 4,657.75 is: 6,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.82 : 21,776.46 = 4,657.75 : x
  2. Step 2: Convert to fraction form
    14,520.82/21,776.46 = 4,657.75/x
  3. Step 3: Cross multiply
    14,520.82x = 21,776.46 × 4,657.75
  4. Step 4: Simplify right side
    14,520.82x = 101,429,306.57
  5. Step 5: Solve for x
    x = 101,429,306.57/14,520.82
  6. Step 6: Final answer
    x = 6,985.09

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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.