Home / 19,986.22-29,963.91-7,505.97

Finding the Fourth Proportional to 19,986.22, 29,963.91 and 7,505.97

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Solution

The fourth proportional to 19,986.22, 29,963.91 and 7,505.97 is: 11,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.22 : 29,963.91 = 7,505.97 : x
  2. Step 2: Convert to fraction form
    19,986.22/29,963.91 = 7,505.97/x
  3. Step 3: Cross multiply
    19,986.22x = 29,963.91 × 7,505.97
  4. Step 4: Simplify right side
    19,986.22x = 224,908,209.54
  5. Step 5: Solve for x
    x = 224,908,209.54/19,986.22
  6. Step 6: Final answer
    x = 11,253.17

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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.