Home / 14,528.88-21,781.80-5,766

Finding the Fourth Proportional to 14,528.88, 21,781.80 and 5,766

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Solution

The fourth proportional to 14,528.88, 21,781.80 and 5,766 is: 8,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.88 : 21,781.80 = 5,766 : x
  2. Step 2: Convert to fraction form
    14,528.88/21,781.80 = 5,766/x
  3. Step 3: Cross multiply
    14,528.88x = 21,781.80 × 5,766
  4. Step 4: Simplify right side
    14,528.88x = 125,593,858.80
  5. Step 5: Solve for x
    x = 125,593,858.80/14,528.88
  6. Step 6: Final answer
    x = 8,644.43

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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.