Home / 22,108.11-30,511.83-13,035.52

Finding the Fourth Proportional to 22,108.11, 30,511.83 and 13,035.52

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Solution

The fourth proportional to 22,108.11, 30,511.83 and 13,035.52 is: 17,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.11 : 30,511.83 = 13,035.52 : x
  2. Step 2: Convert to fraction form
    22,108.11/30,511.83 = 13,035.52/x
  3. Step 3: Cross multiply
    22,108.11x = 30,511.83 × 13,035.52
  4. Step 4: Simplify right side
    22,108.11x = 397,737,570.20
  5. Step 5: Solve for x
    x = 397,737,570.20/22,108.11
  6. Step 6: Final answer
    x = 17,990.58

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1.5x scale

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.