Home / 19,476.08-29,221.80-10,121.97

Finding the Fourth Proportional to 19,476.08, 29,221.80 and 10,121.97

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Solution

The fourth proportional to 19,476.08, 29,221.80 and 10,121.97 is: 15,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.08 : 29,221.80 = 10,121.97 : x
  2. Step 2: Convert to fraction form
    19,476.08/29,221.80 = 10,121.97/x
  3. Step 3: Cross multiply
    19,476.08x = 29,221.80 × 10,121.97
  4. Step 4: Simplify right side
    19,476.08x = 295,782,182.95
  5. Step 5: Solve for x
    x = 295,782,182.95/19,476.08
  6. Step 6: Final answer
    x = 15,186.95

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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.