Home / 19,108.22-28,651.80-10,233.95

Finding the Fourth Proportional to 19,108.22, 28,651.80 and 10,233.95

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Solution

The fourth proportional to 19,108.22, 28,651.80 and 10,233.95 is: 15,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.22 : 28,651.80 = 10,233.95 : x
  2. Step 2: Convert to fraction form
    19,108.22/28,651.80 = 10,233.95/x
  3. Step 3: Cross multiply
    19,108.22x = 28,651.80 × 10,233.95
  4. Step 4: Simplify right side
    19,108.22x = 293,221,091.17
  5. Step 5: Solve for x
    x = 293,221,091.17/19,108.22
  6. Step 6: Final answer
    x = 15,345.29

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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.