Home / 14,531.22-21,796.80-11,928.66

Finding the Fourth Proportional to 14,531.22, 21,796.80 and 11,928.66

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Solution

The fourth proportional to 14,531.22, 21,796.80 and 11,928.66 is: 17,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.22 : 21,796.80 = 11,928.66 : x
  2. Step 2: Convert to fraction form
    14,531.22/21,796.80 = 11,928.66/x
  3. Step 3: Cross multiply
    14,531.22x = 21,796.80 × 11,928.66
  4. Step 4: Simplify right side
    14,531.22x = 260,006,616.29
  5. Step 5: Solve for x
    x = 260,006,616.29/14,531.22
  6. Step 6: Final answer
    x = 17,892.97

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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.