Home / 22,188.33-30,566.34-18,991.44

Finding the Fourth Proportional to 22,188.33, 30,566.34 and 18,991.44

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Solution

The fourth proportional to 22,188.33, 30,566.34 and 18,991.44 is: 26,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.33 : 30,566.34 = 18,991.44 : x
  2. Step 2: Convert to fraction form
    22,188.33/30,566.34 = 18,991.44/x
  3. Step 3: Cross multiply
    22,188.33x = 30,566.34 × 18,991.44
  4. Step 4: Simplify right side
    22,188.33x = 580,498,812.13
  5. Step 5: Solve for x
    x = 580,498,812.13/22,188.33
  6. Step 6: Final answer
    x = 26,162.35

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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.