Home / 22,180.74-30,608.76-12,109.26

Finding the Fourth Proportional to 22,180.74, 30,608.76 and 12,109.26

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Solution

The fourth proportional to 22,180.74, 30,608.76 and 12,109.26 is: 16,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.74 : 30,608.76 = 12,109.26 : x
  2. Step 2: Convert to fraction form
    22,180.74/30,608.76 = 12,109.26/x
  3. Step 3: Cross multiply
    22,180.74x = 30,608.76 × 12,109.26
  4. Step 4: Simplify right side
    22,180.74x = 370,649,433.12
  5. Step 5: Solve for x
    x = 370,649,433.12/22,180.74
  6. Step 6: Final answer
    x = 16,710.42

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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.