Home / 22,268.26-30,732.88-13,776.02

Finding the Fourth Proportional to 22,268.26, 30,732.88 and 13,776.02

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Solution

The fourth proportional to 22,268.26, 30,732.88 and 13,776.02 is: 19,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.26 : 30,732.88 = 13,776.02 : x
  2. Step 2: Convert to fraction form
    22,268.26/30,732.88 = 13,776.02/x
  3. Step 3: Cross multiply
    22,268.26x = 30,732.88 × 13,776.02
  4. Step 4: Simplify right side
    22,268.26x = 423,376,769.54
  5. Step 5: Solve for x
    x = 423,376,769.54/22,268.26
  6. Step 6: Final answer
    x = 19,012.57

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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.